81260655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3889}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 149376000

約数和(自身を除く): 68115345

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1393, 2985, 3889, 4179, 6965, 11667, 19445, 20895, 27223, 58335, 81669, 136115, 408345, 773911, 2321733, 3869555, 5417377, 11608665, 16252131, 27086885, 81260655]

約数ペア:

[(1, 81260655), (3, 27086885), (5, 16252131), (7, 11608665), (15, 5417377), (21, 3869555), (35, 2321733), (105, 773911), (199, 408345), (597, 136115), (995, 81669), (1393, 58335), (2985, 27223), (3889, 20895), (4179, 19445), (6965, 11667)]