87620679

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 128522160

約数和(自身を除く): 40901481

約数列:

[1, 3, 9, 137, 179, 397, 411, 537, 1191, 1233, 1611, 3573, 24523, 54389, 71063, 73569, 163167, 213189, 220707, 489501, 639567, 9735631, 29206893, 87620679]

約数ペア:

[(1, 87620679), (3, 29206893), (9, 9735631), (137, 639567), (179, 489501), (397, 220707), (411, 213189), (537, 163167), (1191, 73569), (1233, 71063), (1611, 54389), (3573, 24523)]