2151585

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 3767400

約数和(自身を除く): 1615815

約数列:

[1, 3, 5, 9, 15, 45, 137, 349, 411, 685, 1047, 1233, 1745, 2055, 3141, 5235, 6165, 15705, 47813, 143439, 239065, 430317, 717195, 2151585]

約数ペア:

[(1, 2151585), (3, 717195), (5, 430317), (9, 239065), (15, 143439), (45, 47813), (137, 15705), (349, 6165), (411, 5235), (685, 3141), (1047, 2055), (1233, 1745)]