729621

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 1101120

約数和(自身を除く): 371499

約数列:

[1, 3, 9, 27, 61, 183, 443, 549, 1329, 1647, 3987, 11961, 27023, 81069, 243207, 729621]

約数ペア:

[(1, 729621), (3, 243207), (9, 81069), (27, 27023), (61, 11961), (183, 3987), (443, 1647), (549, 1329)]