2100975

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 3519120

約数和(自身を除く): 1418145

約数列:

[1, 3, 5, 15, 25, 75, 109, 257, 327, 545, 771, 1285, 1635, 2725, 3855, 6425, 8175, 19275, 28013, 84039, 140065, 420195, 700325, 2100975]

約数ペア:

[(1, 2100975), (3, 700325), (5, 420195), (15, 140065), (25, 84039), (75, 28013), (109, 19275), (257, 8175), (327, 6425), (545, 3855), (771, 2725), (1285, 1635)]