9971975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 13561632

約数和(自身を除く): 3589657

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 503, 793, 1525, 2515, 3965, 6539, 12575, 19825, 30683, 32695, 153415, 163475, 398879, 767075, 1994395, 9971975]

約数ペア:

[(1, 9971975), (5, 1994395), (13, 767075), (25, 398879), (61, 163475), (65, 153415), (305, 32695), (325, 30683), (503, 19825), (793, 12575), (1525, 6539), (2515, 3965)]