1293405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 2176608

約数和(自身を除く): 883203

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 345, 489, 529, 815, 1587, 2445, 2645, 3749, 7935, 11247, 18745, 56235, 86227, 258681, 431135, 1293405]

約数ペア:

[(1, 1293405), (3, 431135), (5, 258681), (15, 86227), (23, 56235), (69, 18745), (115, 11247), (163, 7935), (345, 3749), (489, 2645), (529, 2445), (815, 1587)]