31409469

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38351}}^1$

素因数の和:38377

約数の個数: 24

約数和(自身を含む): 55840512

約数和(自身を除く): 24431043

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38351, 115053, 268457, 345159, 498563, 805371, 1495689, 2416113, 3489941, 4487067, 10469823, 31409469]

約数ペア:

[(1, 31409469), (3, 10469823), (7, 4487067), (9, 3489941), (13, 2416113), (21, 1495689), (39, 805371), (63, 498563), (91, 345159), (117, 268457), (273, 115053), (819, 38351)]