1325405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 1741824

約数和(自身を除く): 416419

約数列:

[1, 5, 17, 31, 85, 155, 503, 527, 2515, 2635, 8551, 15593, 42755, 77965, 265081, 1325405]

約数ペア:

[(1, 1325405), (5, 265081), (17, 77965), (31, 42755), (85, 15593), (155, 8551), (503, 2635), (527, 2515)]