520013115

素因数分解:

$3^4\times 5^1\times {\mathrm{1283983}}^1$

素因数の和:1284000

約数の個数: 20

約数和(自身を含む): 932172384

約数和(自身を除く): 412159269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1283983, 3851949, 6419915, 11555847, 19259745, 34667541, 57779235, 104002623, 173337705, 520013115]

約数ペア:

[(1, 520013115), (3, 173337705), (5, 104002623), (9, 57779235), (15, 34667541), (27, 19259745), (45, 11555847), (81, 6419915), (135, 3851949), (405, 1283983)]