68840621565

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1993}}^1\times {\mathrm{21521}}^1$

素因数の和:23629

約数の個数: 32

約数和(自身を含む): 111235337856

約数和(自身を除く): 42394716291

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 1993, 5979, 9965, 21521, 29895, 64563, 107605, 213251, 322815, 639753, 1066255, 2302747, 3198765, 6908241, 11513735, 34541205, 42891353, 128674059, 214456765, 643370295, 4589374771, 13768124313, 22946873855, 68840621565]

約数ペア:

[(1, 68840621565), (3, 22946873855), (5, 13768124313), (15, 4589374771), (107, 643370295), (321, 214456765), (535, 128674059), (1605, 42891353), (1993, 34541205), (5979, 11513735), (9965, 6908241), (21521, 3198765), (29895, 2302747), (64563, 1066255), (107605, 639753), (213251, 322815)]