261567369

素因数分解:

$3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{11131}}^1$

素因数の和:11517

約数の個数: 24

約数和(自身を含む): 432990272

約数和(自身を除く): 171422903

約数列:

[1, 3, 7, 9, 21, 63, 373, 1119, 2611, 3357, 7833, 11131, 23499, 33393, 77917, 100179, 233751, 701253, 4151863, 12455589, 29063041, 37366767, 87189123, 261567369]

約数ペア:

[(1, 261567369), (3, 87189123), (7, 37366767), (9, 29063041), (21, 12455589), (63, 4151863), (373, 701253), (1119, 233751), (2611, 100179), (3357, 77917), (7833, 33393), (11131, 23499)]