89887917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 147474432

約数和(自身を除く): 57586515

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 167, 213, 361, 399, 497, 501, 1083, 1169, 1349, 1491, 2527, 3173, 3507, 4047, 7581, 9443, 9519, 11857, 22211, 25631, 28329, 35571, 60287, 66633, 76893, 82999, 179417, 180861, 225283, 248997, 422009, 538251, 675849, 1266027, 1576981, 4280377, 4730943, 12841131, 29962639, 89887917]

約数ペア:

[(1, 89887917), (3, 29962639), (7, 12841131), (19, 4730943), (21, 4280377), (57, 1576981), (71, 1266027), (133, 675849), (167, 538251), (213, 422009), (361, 248997), (399, 225283), (497, 180861), (501, 179417), (1083, 82999), (1169, 76893), (1349, 66633), (1491, 60287), (2527, 35571), (3173, 28329), (3507, 25631), (4047, 22211), (7581, 11857), (9443, 9519)]