72761715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 138116160

約数和(自身を除く): 65354445

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2039, 2379, 2745, 3965, 6117, 7137, 10195, 11895, 18351, 26507, 30585, 35685, 79521, 91755, 124379, 132535, 238563, 373137, 397605, 621895, 1119411, 1192815, 1616927, 1865685, 4850781, 5597055, 8084635, 14552343, 24253905, 72761715]

約数ペア:

[(1, 72761715), (3, 24253905), (5, 14552343), (9, 8084635), (13, 5597055), (15, 4850781), (39, 1865685), (45, 1616927), (61, 1192815), (65, 1119411), (117, 621895), (183, 397605), (195, 373137), (305, 238563), (549, 132535), (585, 124379), (793, 91755), (915, 79521), (2039, 35685), (2379, 30585), (2745, 26507), (3965, 18351), (6117, 11895), (7137, 10195)]