11888140509

素因数分解:

$3^2\times 7^1\times {\mathrm{188700643}}^1$

素因数の和:188700656

約数の個数: 12

約数和(自身を含む): 19624866976

約数和(自身を除く): 7736726467

約数列:

[1, 3, 7, 9, 21, 63, 188700643, 566101929, 1320904501, 1698305787, 3962713503, 11888140509]

約数ペア:

[(1, 11888140509), (3, 3962713503), (7, 1698305787), (9, 1320904501), (21, 566101929), (63, 188700643)]