7212429

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 12615680

約数和(自身を除く): 5403251

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1231, 1953, 3693, 5859, 8617, 11079, 25851, 33237, 38161, 77553, 114483, 232659, 267127, 343449, 801381, 1030347, 2404143, 7212429]

約数ペア:

[(1, 7212429), (3, 2404143), (7, 1030347), (9, 801381), (21, 343449), (27, 267127), (31, 232659), (63, 114483), (93, 77553), (189, 38161), (217, 33237), (279, 25851), (651, 11079), (837, 8617), (1231, 5859), (1953, 3693)]