31287705

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3943}}^1$

素因数の和:3997

約数の個数: 24

約数和(自身を含む): 52344768

約数和(自身を除く): 21057063

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 3943, 7935, 11829, 19715, 59145, 90689, 272067, 453445, 1360335, 2085847, 6257541, 10429235, 31287705]

約数ペア:

[(1, 31287705), (3, 10429235), (5, 6257541), (15, 2085847), (23, 1360335), (69, 453445), (115, 272067), (345, 90689), (529, 59145), (1587, 19715), (2645, 11829), (3943, 7935)]