249249987

素因数分解:

$3^3\times 7^1\times {\mathrm{1318783}}^1$

素因数の和:1318799

約数の個数: 16

約数和(自身を含む): 422010880

約数和(自身を除く): 172760893

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1318783, 3956349, 9231481, 11869047, 27694443, 35607141, 83083329, 249249987]

約数ペア:

[(1, 249249987), (3, 83083329), (7, 35607141), (9, 27694443), (21, 11869047), (27, 9231481), (63, 3956349), (189, 1318783)]