31021965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2834

約数の個数: 48

約数和(自身を含む): 60977280

約数和(自身を除く): 29955315

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2791, 3705, 8373, 11115, 13955, 25119, 36283, 41865, 53029, 108849, 125595, 159087, 181415, 265145, 326547, 477261, 544245, 689377, 795435, 1632735, 2068131, 2386305, 3446885, 6204393, 10340655, 31021965]

約数ペア:

[(1, 31021965), (3, 10340655), (5, 6204393), (9, 3446885), (13, 2386305), (15, 2068131), (19, 1632735), (39, 795435), (45, 689377), (57, 544245), (65, 477261), (95, 326547), (117, 265145), (171, 181415), (195, 159087), (247, 125595), (285, 108849), (585, 53029), (741, 41865), (855, 36283), (1235, 25119), (2223, 13955), (2791, 11115), (3705, 8373)]