261520245

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 544497408

約数和(自身を除く): 282977163

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 97, 105, 135, 189, 243, 291, 315, 317, 405, 485, 567, 679, 873, 945, 951, 1215, 1455, 1585, 1701, 2037, 2219, 2619, 2835, 2853, 3395, 4365, 4755, 6111, 6657, 7857, 8505, 8559, 10185, 11095, 13095, 14265, 18333, 19971, 23571, 25677, 30555, 30749, 33285, 39285, 42795, 54999, 59913, 77031, 91665, 92247, 99855, 117855, 128385, 153745, 164997, 179739, 215243, 274995, 276741, 299565, 385155, 461235, 539217, 645729, 824985, 830223, 898695, 1076215, 1383705, 1937187, 2490669, 2696085, 3228645, 4151115, 5811561, 7472007, 9685935, 12453345, 17434683, 29057805, 37360035, 52304049, 87173415, 261520245]

約数ペア:

[(1, 261520245), (3, 87173415), (5, 52304049), (7, 37360035), (9, 29057805), (15, 17434683), (21, 12453345), (27, 9685935), (35, 7472007), (45, 5811561), (63, 4151115), (81, 3228645), (97, 2696085), (105, 2490669), (135, 1937187), (189, 1383705), (243, 1076215), (291, 898695), (315, 830223), (317, 824985), (405, 645729), (485, 539217), (567, 461235), (679, 385155), (873, 299565), (945, 276741), (951, 274995), (1215, 215243), (1455, 179739), (1585, 164997), (1701, 153745), (2037, 128385), (2219, 117855), (2619, 99855), (2835, 92247), (2853, 91665), (3395, 77031), (4365, 59913), (4755, 54999), (6111, 42795), (6657, 39285), (7857, 33285), (8505, 30749), (8559, 30555), (10185, 25677), (11095, 23571), (13095, 19971), (14265, 18333)]