71258553

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 111421440

約数和(自身を除く): 40162887

約数列:

[1, 3, 9, 31, 53, 61, 79, 93, 159, 183, 237, 279, 477, 549, 711, 1643, 1891, 2449, 3233, 4187, 4819, 4929, 5673, 7347, 9699, 12561, 14457, 14787, 17019, 22041, 29097, 37683, 43371, 100223, 129797, 149389, 255407, 300669, 389391, 448167, 766221, 902007, 1168173, 1344501, 2298663, 7917617, 23752851, 71258553]

約数ペア:

[(1, 71258553), (3, 23752851), (9, 7917617), (31, 2298663), (53, 1344501), (61, 1168173), (79, 902007), (93, 766221), (159, 448167), (183, 389391), (237, 300669), (279, 255407), (477, 149389), (549, 129797), (711, 100223), (1643, 43371), (1891, 37683), (2449, 29097), (3233, 22041), (4187, 17019), (4819, 14787), (4929, 14457), (5673, 12561), (7347, 9699)]