388548885

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1861}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 643507200

約数和(自身を除く): 254958315

約数列:

[1, 3, 5, 15, 31, 93, 155, 449, 465, 1347, 1861, 2245, 5583, 6735, 9305, 13919, 27915, 41757, 57691, 69595, 173073, 208785, 288455, 835589, 865365, 2506767, 4177945, 12533835, 25903259, 77709777, 129516295, 388548885]

約数ペア:

[(1, 388548885), (3, 129516295), (5, 77709777), (15, 25903259), (31, 12533835), (93, 4177945), (155, 2506767), (449, 865365), (465, 835589), (1347, 288455), (1861, 208785), (2245, 173073), (5583, 69595), (6735, 57691), (9305, 41757), (13919, 27915)]