815775

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 1376400

約数和(自身を除く): 560625

約数列:

[1, 3, 5, 15, 25, 73, 75, 149, 219, 365, 447, 745, 1095, 1825, 2235, 3725, 5475, 10877, 11175, 32631, 54385, 163155, 271925, 815775]

約数ペア:

[(1, 815775), (3, 271925), (5, 163155), (15, 54385), (25, 32631), (73, 11175), (75, 10877), (149, 5475), (219, 3725), (365, 2235), (447, 1825), (745, 1095)]