1639683

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 20

約数和(自身を含む): 2532288

約数和(自身を除く): 892605

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 653, 837, 1959, 2511, 5877, 17631, 20243, 52893, 60729, 182187, 546561, 1639683]

約数ペア:

[(1, 1639683), (3, 546561), (9, 182187), (27, 60729), (31, 52893), (81, 20243), (93, 17631), (279, 5877), (653, 2511), (837, 1959)]