9971451

素因数分解:

$3^3\times 7^2\times {\mathrm{7537}}^1$

素因数の和:7560

約数の個数: 24

約数和(自身を含む): 17186640

約数和(自身を除く): 7215189

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 7537, 22611, 52759, 67833, 158277, 203499, 369313, 474831, 1107939, 1424493, 3323817, 9971451]

約数ペア:

[(1, 9971451), (3, 3323817), (7, 1424493), (9, 1107939), (21, 474831), (27, 369313), (49, 203499), (63, 158277), (147, 67833), (189, 52759), (441, 22611), (1323, 7537)]