18145431

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 27955200

約数和(自身を除く): 9809769

約数列:

[1, 3, 9, 27, 47, 79, 141, 181, 237, 423, 543, 711, 1269, 1629, 2133, 3713, 4887, 8507, 11139, 14299, 25521, 33417, 42897, 76563, 100251, 128691, 229689, 386073, 672053, 2016159, 6048477, 18145431]

約数ペア:

[(1, 18145431), (3, 6048477), (9, 2016159), (27, 672053), (47, 386073), (79, 229689), (141, 128691), (181, 100251), (237, 76563), (423, 42897), (543, 33417), (711, 25521), (1269, 14299), (1629, 11139), (2133, 8507), (3713, 4887)]