1215675

素因数分解:

$3^3\times 5^2\times {\mathrm{1801}}^1$

素因数の和:1820

約数の個数: 24

約数和(自身を含む): 2234480

約数和(自身を除く): 1018805

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 1801, 5403, 9005, 16209, 27015, 45025, 48627, 81045, 135075, 243135, 405225, 1215675]

約数ペア:

[(1, 1215675), (3, 405225), (5, 243135), (9, 135075), (15, 81045), (25, 48627), (27, 45025), (45, 27015), (75, 16209), (135, 9005), (225, 5403), (675, 1801)]