215403825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 450693376

約数和(自身を除く): 235289551

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 37, 39, 65, 75, 91, 105, 111, 175, 185, 195, 259, 273, 325, 455, 481, 525, 555, 777, 853, 925, 975, 1295, 1365, 1443, 2275, 2405, 2559, 2775, 3367, 3885, 4265, 5971, 6475, 6825, 7215, 10101, 11089, 12025, 12795, 16835, 17913, 19425, 21325, 29855, 31561, 33267, 36075, 50505, 55445, 63975, 77623, 84175, 89565, 94683, 149275, 157805, 166335, 220927, 232869, 252525, 277225, 388115, 410293, 447825, 473415, 662781, 789025, 831675, 1104635, 1164345, 1230879, 1940575, 2051465, 2367075, 2872051, 3313905, 5523175, 5821725, 6154395, 8616153, 10257325, 14360255, 16569525, 30771975, 43080765, 71801275, 215403825]

約数ペア:

[(1, 215403825), (3, 71801275), (5, 43080765), (7, 30771975), (13, 16569525), (15, 14360255), (21, 10257325), (25, 8616153), (35, 6154395), (37, 5821725), (39, 5523175), (65, 3313905), (75, 2872051), (91, 2367075), (105, 2051465), (111, 1940575), (175, 1230879), (185, 1164345), (195, 1104635), (259, 831675), (273, 789025), (325, 662781), (455, 473415), (481, 447825), (525, 410293), (555, 388115), (777, 277225), (853, 252525), (925, 232869), (975, 220927), (1295, 166335), (1365, 157805), (1443, 149275), (2275, 94683), (2405, 89565), (2559, 84175), (2775, 77623), (3367, 63975), (3885, 55445), (4265, 50505), (5971, 36075), (6475, 33267), (6825, 31561), (7215, 29855), (10101, 21325), (11089, 19425), (12025, 17913), (12795, 16835)]