28880559

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 42840720

約数和(自身を除く): 13960161

約数列:

[1, 3, 9, 59, 137, 177, 397, 411, 531, 1191, 1233, 3573, 8083, 23423, 24249, 54389, 70269, 72747, 163167, 210807, 489501, 3208951, 9626853, 28880559]

約数ペア:

[(1, 28880559), (3, 9626853), (9, 3208951), (59, 489501), (137, 210807), (177, 163167), (397, 72747), (411, 70269), (531, 54389), (1191, 24249), (1233, 23423), (3573, 8083)]