219659895

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 487992960

約数和(自身を除く): 268333065

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 79, 91, 97, 105, 117, 147, 195, 237, 245, 273, 291, 315, 395, 441, 455, 485, 553, 585, 637, 679, 711, 735, 819, 873, 1027, 1185, 1261, 1365, 1455, 1659, 1911, 2037, 2205, 2765, 3081, 3185, 3395, 3555, 3783, 3871, 4095, 4365, 4753, 4977, 5135, 5733, 6111, 6305, 7189, 7663, 8295, 8827, 9243, 9555, 10185, 11349, 11613, 14259, 15405, 18915, 19355, 21567, 22989, 23765, 24885, 26481, 28665, 30555, 34839, 35945, 38315, 42777, 44135, 46215, 50323, 53641, 56745, 58065, 61789, 64701, 68967, 71295, 79443, 99619, 107835, 114945, 132405, 150969, 160923, 174195, 185367, 213885, 251615, 268205, 298857, 308945, 323505, 344835, 375487, 397215, 452907, 482769, 498095, 556101, 697333, 754845, 804615, 896571, 926835, 1126461, 1494285, 1877435, 2091999, 2264535, 2413845, 2780505, 3379383, 3486665, 4482855, 4881331, 5632305, 6275997, 10459995, 14643993, 16896915, 24406655, 31379985, 43931979, 73219965, 219659895]

約数ペア:

[(1, 219659895), (3, 73219965), (5, 43931979), (7, 31379985), (9, 24406655), (13, 16896915), (15, 14643993), (21, 10459995), (35, 6275997), (39, 5632305), (45, 4881331), (49, 4482855), (63, 3486665), (65, 3379383), (79, 2780505), (91, 2413845), (97, 2264535), (105, 2091999), (117, 1877435), (147, 1494285), (195, 1126461), (237, 926835), (245, 896571), (273, 804615), (291, 754845), (315, 697333), (395, 556101), (441, 498095), (455, 482769), (485, 452907), (553, 397215), (585, 375487), (637, 344835), (679, 323505), (711, 308945), (735, 298857), (819, 268205), (873, 251615), (1027, 213885), (1185, 185367), (1261, 174195), (1365, 160923), (1455, 150969), (1659, 132405), (1911, 114945), (2037, 107835), (2205, 99619), (2765, 79443), (3081, 71295), (3185, 68967), (3395, 64701), (3555, 61789), (3783, 58065), (3871, 56745), (4095, 53641), (4365, 50323), (4753, 46215), (4977, 44135), (5135, 42777), (5733, 38315), (6111, 35945), (6305, 34839), (7189, 30555), (7663, 28665), (8295, 26481), (8827, 24885), (9243, 23765), (9555, 22989), (10185, 21567), (11349, 19355), (11613, 18915), (14259, 15405)]