2981895

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{4057}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 5551344

約数和(自身を除く): 2569449

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 4057, 12171, 20285, 28399, 60855, 85197, 141995, 198793, 425985, 596379, 993965, 2981895]

約数ペア:

[(1, 2981895), (3, 993965), (5, 596379), (7, 425985), (15, 198793), (21, 141995), (35, 85197), (49, 60855), (105, 28399), (147, 20285), (245, 12171), (735, 4057)]