81814659

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 119771136

約数和(自身を除く): 37956477

約数列:

[1, 3, 17, 37, 51, 111, 191, 227, 573, 629, 681, 1887, 3247, 3859, 7067, 8399, 9741, 11577, 21201, 25197, 43357, 120139, 130071, 142783, 360417, 428349, 737069, 1604209, 2211207, 4812627, 27271553, 81814659]

約数ペア:

[(1, 81814659), (3, 27271553), (17, 4812627), (37, 2211207), (51, 1604209), (111, 737069), (191, 428349), (227, 360417), (573, 142783), (629, 130071), (681, 120139), (1887, 43357), (3247, 25197), (3859, 21201), (7067, 11577), (8399, 9741)]