201172815

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 388903680

約数和(自身を除く): 187730865

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 81, 85, 135, 153, 183, 255, 305, 405, 459, 479, 549, 765, 915, 1037, 1377, 1437, 1647, 2295, 2395, 2745, 3111, 4311, 4941, 5185, 6885, 7185, 8143, 8235, 9333, 12933, 15555, 21555, 24429, 24705, 27999, 29219, 38799, 40715, 46665, 64665, 73287, 83997, 87657, 122145, 139995, 146095, 193995, 219861, 262971, 366435, 419985, 438285, 496723, 659583, 788913, 1099305, 1314855, 1490169, 2366739, 2483615, 3297915, 3944565, 4470507, 7450845, 11833695, 13411521, 22352535, 40234563, 67057605, 201172815]

約数ペア:

[(1, 201172815), (3, 67057605), (5, 40234563), (9, 22352535), (15, 13411521), (17, 11833695), (27, 7450845), (45, 4470507), (51, 3944565), (61, 3297915), (81, 2483615), (85, 2366739), (135, 1490169), (153, 1314855), (183, 1099305), (255, 788913), (305, 659583), (405, 496723), (459, 438285), (479, 419985), (549, 366435), (765, 262971), (915, 219861), (1037, 193995), (1377, 146095), (1437, 139995), (1647, 122145), (2295, 87657), (2395, 83997), (2745, 73287), (3111, 64665), (4311, 46665), (4941, 40715), (5185, 38799), (6885, 29219), (7185, 27999), (8143, 24705), (8235, 24429), (9333, 21555), (12933, 15555)]