40638735

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 72727200

約数和(自身を除く): 32088465

約数列:

[1, 3, 5, 9, 15, 45, 73, 89, 139, 219, 267, 365, 417, 445, 657, 695, 801, 1095, 1251, 1335, 2085, 3285, 4005, 6255, 6497, 10147, 12371, 19491, 30441, 32485, 37113, 50735, 58473, 61855, 91323, 97455, 111339, 152205, 185565, 292365, 456615, 556695, 903083, 2709249, 4515415, 8127747, 13546245, 40638735]

約数ペア:

[(1, 40638735), (3, 13546245), (5, 8127747), (9, 4515415), (15, 2709249), (45, 903083), (73, 556695), (89, 456615), (139, 292365), (219, 185565), (267, 152205), (365, 111339), (417, 97455), (445, 91323), (657, 61855), (695, 58473), (801, 50735), (1095, 37113), (1251, 32485), (1335, 30441), (2085, 19491), (3285, 12371), (4005, 10147), (6255, 6497)]