64837275

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 112373760

約数和(自身を除く): 47536485

約数列:

[1, 3, 5, 15, 25, 31, 75, 79, 93, 155, 237, 353, 395, 465, 775, 1059, 1185, 1765, 1975, 2325, 2449, 5295, 5925, 7347, 8825, 10943, 12245, 26475, 27887, 32829, 36735, 54715, 61225, 83661, 139435, 164145, 183675, 273575, 418305, 697175, 820725, 864497, 2091525, 2593491, 4322485, 12967455, 21612425, 64837275]

約数ペア:

[(1, 64837275), (3, 21612425), (5, 12967455), (15, 4322485), (25, 2593491), (31, 2091525), (75, 864497), (79, 820725), (93, 697175), (155, 418305), (237, 273575), (353, 183675), (395, 164145), (465, 139435), (775, 83661), (1059, 61225), (1185, 54715), (1765, 36735), (1975, 32829), (2325, 27887), (2449, 26475), (5295, 12245), (5925, 10943), (7347, 8825)]