13570921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 18063360

約数和(自身を除く): 4492439

約数列:

[1, 7, 13, 19, 47, 91, 133, 167, 247, 329, 611, 893, 1169, 1729, 2171, 3173, 4277, 6251, 7849, 11609, 15197, 22211, 41249, 54943, 81263, 102037, 149131, 288743, 714259, 1043917, 1938703, 13570921]

約数ペア:

[(1, 13570921), (7, 1938703), (13, 1043917), (19, 714259), (47, 288743), (91, 149131), (133, 102037), (167, 81263), (247, 54943), (329, 41249), (611, 22211), (893, 15197), (1169, 11609), (1729, 7849), (2171, 6251), (3173, 4277)]