71185779

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1069}}^1$

素因数の和:1240

約数の個数: 36

約数和(自身を含む): 120516240

約数和(自身を除く): 49330461

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 1057, 1069, 1359, 3171, 3207, 7399, 7483, 9513, 9621, 22197, 22449, 52381, 66591, 67347, 157143, 161419, 471429, 484257, 1129933, 1452771, 3389799, 7909531, 10169397, 23728593, 71185779]

約数ペア:

[(1, 71185779), (3, 23728593), (7, 10169397), (9, 7909531), (21, 3389799), (49, 1452771), (63, 1129933), (147, 484257), (151, 471429), (441, 161419), (453, 157143), (1057, 67347), (1069, 66591), (1359, 52381), (3171, 22449), (3207, 22197), (7399, 9621), (7483, 9513)]