664175985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1487}}^1\times {\mathrm{2707}}^1$

素因数の和:4213

約数の個数: 32

約数和(自身を含む): 1160497152

約数和(自身を除く): 496321167

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1487, 2707, 4461, 7435, 8121, 13535, 16357, 22305, 29777, 40605, 49071, 81785, 89331, 148885, 245355, 446655, 4025309, 12075927, 20126545, 44278399, 60379635, 132835197, 221391995, 664175985]

約数ペア:

[(1, 664175985), (3, 221391995), (5, 132835197), (11, 60379635), (15, 44278399), (33, 20126545), (55, 12075927), (165, 4025309), (1487, 446655), (2707, 245355), (4461, 148885), (7435, 89331), (8121, 81785), (13535, 49071), (16357, 40605), (22305, 29777)]