402752007

素因数分解:

$3^4\times 7^1\times {\mathrm{710321}}^1$

素因数の和:710340

約数の個数: 20

約数和(自身を含む): 687591696

約数和(自身を除く): 284839689

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 710321, 2130963, 4972247, 6392889, 14916741, 19178667, 44750223, 57536001, 134250669, 402752007]

約数ペア:

[(1, 402752007), (3, 134250669), (7, 57536001), (9, 44750223), (21, 19178667), (27, 14916741), (63, 6392889), (81, 4972247), (189, 2130963), (567, 710321)]