71316747

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 117849600

約数和(自身を除く): 46532853

約数列:

[1, 3, 9, 19, 27, 43, 53, 57, 61, 129, 159, 171, 183, 387, 477, 513, 549, 817, 1007, 1159, 1161, 1431, 1647, 2279, 2451, 2623, 3021, 3233, 3477, 6837, 7353, 7869, 9063, 9699, 10431, 20511, 22059, 23607, 27189, 29097, 31293, 43301, 49837, 61427, 61533, 70821, 87291, 129903, 139019, 149511, 184281, 389709, 417057, 448533, 552843, 1169127, 1251171, 1345599, 1658529, 2641361, 3753513, 7924083, 23772249, 71316747]

約数ペア:

[(1, 71316747), (3, 23772249), (9, 7924083), (19, 3753513), (27, 2641361), (43, 1658529), (53, 1345599), (57, 1251171), (61, 1169127), (129, 552843), (159, 448533), (171, 417057), (183, 389709), (387, 184281), (477, 149511), (513, 139019), (549, 129903), (817, 87291), (1007, 70821), (1159, 61533), (1161, 61427), (1431, 49837), (1647, 43301), (2279, 31293), (2451, 29097), (2623, 27189), (3021, 23607), (3233, 22059), (3477, 20511), (6837, 10431), (7353, 9699), (7869, 9063)]