30531975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7681}}^1$

素因数の和:7747

約数の個数: 24

約数和(自身を含む): 51438672

約数和(自身を除く): 20906697

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 7681, 23043, 38405, 115215, 192025, 407093, 576075, 1221279, 2035465, 6106395, 10177325, 30531975]

約数ペア:

[(1, 30531975), (3, 10177325), (5, 6106395), (15, 2035465), (25, 1221279), (53, 576075), (75, 407093), (159, 192025), (265, 115215), (795, 38405), (1325, 23043), (3975, 7681)]