70221753

素因数分解:

$3^2\times 7^2\times {\mathrm{159233}}^1$

素因数の和:159253

約数の個数: 18

約数和(自身を含む): 117992394

約数和(自身を除く): 47770641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 159233, 477699, 1114631, 1433097, 3343893, 7802417, 10031679, 23407251, 70221753]

約数ペア:

[(1, 70221753), (3, 23407251), (7, 10031679), (9, 7802417), (21, 3343893), (49, 1433097), (63, 1114631), (147, 477699), (441, 159233)]