257943405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{4909}}^1$

素因数の和:5061

約数の個数: 32

約数和(自身を含む): 429880320

約数和(自身を除く): 171936915

約数列:

[1, 3, 5, 15, 31, 93, 113, 155, 339, 465, 565, 1695, 3503, 4909, 10509, 14727, 17515, 24545, 52545, 73635, 152179, 456537, 554717, 760895, 1664151, 2282685, 2773585, 8320755, 17196227, 51588681, 85981135, 257943405]

約数ペア:

[(1, 257943405), (3, 85981135), (5, 51588681), (15, 17196227), (31, 8320755), (93, 2773585), (113, 2282685), (155, 1664151), (339, 760895), (465, 554717), (565, 456537), (1695, 152179), (3503, 73635), (4909, 52545), (10509, 24545), (14727, 17515)]