31381185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4423}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 56060928

約数和(自身を除く): 24679743

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 4423, 7095, 13269, 22115, 48653, 66345, 145959, 190189, 243265, 570567, 729795, 950945, 2092079, 2852835, 6276237, 10460395, 31381185]

約数ペア:

[(1, 31381185), (3, 10460395), (5, 6276237), (11, 2852835), (15, 2092079), (33, 950945), (43, 729795), (55, 570567), (129, 243265), (165, 190189), (215, 145959), (473, 66345), (645, 48653), (1419, 22115), (2365, 13269), (4423, 7095)]