7943397

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 13353984

約数和(自身を除く): 5410587

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 251, 411, 753, 959, 1507, 1757, 2761, 2877, 4521, 5271, 8283, 10549, 19327, 31647, 34387, 57981, 103161, 240709, 378257, 722127, 1134771, 2647799, 7943397]

約数ペア:

[(1, 7943397), (3, 2647799), (7, 1134771), (11, 722127), (21, 378257), (33, 240709), (77, 103161), (137, 57981), (231, 34387), (251, 31647), (411, 19327), (753, 10549), (959, 8283), (1507, 5271), (1757, 4521), (2761, 2877)]