31020285

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2459}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 51423840

約数和(自身を除く): 20403555

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 2459, 2523, 4205, 7377, 12295, 12615, 36885, 71311, 213933, 356555, 1069665, 2068019, 6204057, 10340095, 31020285]

約数ペア:

[(1, 31020285), (3, 10340095), (5, 6204057), (15, 2068019), (29, 1069665), (87, 356555), (145, 213933), (435, 71311), (841, 36885), (2459, 12615), (2523, 12295), (4205, 7377)]