72406257

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 120873984

約数和(自身を除く): 48467727

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 307, 921, 1021, 2149, 3063, 3377, 6447, 7147, 10131, 11231, 21441, 23639, 33693, 70917, 78617, 235851, 313447, 940341, 2194129, 3447917, 6582387, 10343751, 24135419, 72406257]

約数ペア:

[(1, 72406257), (3, 24135419), (7, 10343751), (11, 6582387), (21, 3447917), (33, 2194129), (77, 940341), (231, 313447), (307, 235851), (921, 78617), (1021, 70917), (2149, 33693), (3063, 23639), (3377, 21441), (6447, 11231), (7147, 10131)]