245163933

素因数分解:

$3^2\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{3019}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 405163200

約数和(自身を除く): 159999267

約数列:

[1, 3, 7, 9, 21, 63, 1289, 3019, 3867, 9023, 9057, 11601, 21133, 27069, 27171, 63399, 81207, 190197, 3891491, 11674473, 27240437, 35023419, 81721311, 245163933]

約数ペア:

[(1, 245163933), (3, 81721311), (7, 35023419), (9, 27240437), (21, 11674473), (63, 3891491), (1289, 190197), (3019, 81207), (3867, 63399), (9023, 27171), (9057, 27069), (11601, 21133)]