28791945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 34107255

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 79, 89, 91, 105, 117, 195, 237, 267, 273, 315, 395, 445, 455, 553, 585, 623, 711, 801, 819, 1027, 1157, 1185, 1335, 1365, 1659, 1869, 2765, 3081, 3115, 3471, 3555, 4005, 4095, 4977, 5135, 5607, 5785, 7031, 7189, 8099, 8295, 9243, 9345, 10413, 15405, 17355, 21093, 21567, 24297, 24885, 28035, 35155, 35945, 40495, 46215, 49217, 52065, 63279, 64701, 72891, 91403, 105465, 107835, 121485, 147651, 246085, 274209, 316395, 323505, 364455, 442953, 457015, 639821, 738255, 822627, 1371045, 1919463, 2214765, 3199105, 4113135, 5758389, 9597315, 28791945]

約数ペア:

[(1, 28791945), (3, 9597315), (5, 5758389), (7, 4113135), (9, 3199105), (13, 2214765), (15, 1919463), (21, 1371045), (35, 822627), (39, 738255), (45, 639821), (63, 457015), (65, 442953), (79, 364455), (89, 323505), (91, 316395), (105, 274209), (117, 246085), (195, 147651), (237, 121485), (267, 107835), (273, 105465), (315, 91403), (395, 72891), (445, 64701), (455, 63279), (553, 52065), (585, 49217), (623, 46215), (711, 40495), (801, 35945), (819, 35155), (1027, 28035), (1157, 24885), (1185, 24297), (1335, 21567), (1365, 21093), (1659, 17355), (1869, 15405), (2765, 10413), (3081, 9345), (3115, 9243), (3471, 8295), (3555, 8099), (4005, 7189), (4095, 7031), (4977, 5785), (5135, 5607)]