207969741

素因数分解:

$3^3\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1249}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 352800000

約数和(自身を除く): 144830259

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 881, 1249, 2643, 3747, 6167, 7929, 8743, 11241, 18501, 23787, 26229, 33723, 55503, 78687, 166509, 236061, 1100369, 3301107, 7702583, 9903321, 23107749, 29709963, 69323247, 207969741]

約数ペア:

[(1, 207969741), (3, 69323247), (7, 29709963), (9, 23107749), (21, 9903321), (27, 7702583), (63, 3301107), (189, 1100369), (881, 236061), (1249, 166509), (2643, 78687), (3747, 55503), (6167, 33723), (7929, 26229), (8743, 23787), (11241, 18501)]