87187275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 180015264

約数和(自身を除く): 92827989

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 197, 225, 281, 315, 525, 591, 843, 985, 1379, 1405, 1575, 1773, 1967, 2529, 2955, 4137, 4215, 4925, 5901, 6895, 7025, 8865, 9835, 12411, 12645, 14775, 17703, 20685, 21075, 29505, 34475, 44325, 49175, 55357, 62055, 63225, 88515, 103425, 147525, 166071, 276785, 310275, 387499, 442575, 498213, 830355, 1162497, 1383925, 1937495, 2491065, 3487491, 4151775, 5812485, 9687475, 12455325, 17437455, 29062425, 87187275]

約数ペア:

[(1, 87187275), (3, 29062425), (5, 17437455), (7, 12455325), (9, 9687475), (15, 5812485), (21, 4151775), (25, 3487491), (35, 2491065), (45, 1937495), (63, 1383925), (75, 1162497), (105, 830355), (175, 498213), (197, 442575), (225, 387499), (281, 310275), (315, 276785), (525, 166071), (591, 147525), (843, 103425), (985, 88515), (1379, 63225), (1405, 62055), (1575, 55357), (1773, 49175), (1967, 44325), (2529, 34475), (2955, 29505), (4137, 21075), (4215, 20685), (4925, 17703), (5901, 14775), (6895, 12645), (7025, 12411), (8865, 9835)]