16631325

素因数分解:

$3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 31688448

約数和(自身を除く): 15057123

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 191, 215, 225, 387, 405, 573, 645, 675, 955, 1075, 1161, 1719, 1935, 2025, 2865, 3225, 3483, 4775, 5157, 5805, 8213, 8595, 9675, 14325, 15471, 17415, 24639, 25785, 29025, 41065, 42975, 73917, 77355, 87075, 123195, 128925, 205325, 221751, 369585, 386775, 615975, 665253, 1108755, 1847925, 3326265, 5543775, 16631325]

約数ペア:

[(1, 16631325), (3, 5543775), (5, 3326265), (9, 1847925), (15, 1108755), (25, 665253), (27, 615975), (43, 386775), (45, 369585), (75, 221751), (81, 205325), (129, 128925), (135, 123195), (191, 87075), (215, 77355), (225, 73917), (387, 42975), (405, 41065), (573, 29025), (645, 25785), (675, 24639), (955, 17415), (1075, 15471), (1161, 14325), (1719, 9675), (1935, 8595), (2025, 8213), (2865, 5805), (3225, 5157), (3483, 4775)]