13280925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 25748352

約数和(自身を除く): 12467427

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 175, 205, 287, 525, 615, 617, 861, 1025, 1435, 1851, 3075, 3085, 4305, 4319, 7175, 9255, 12957, 15425, 21525, 21595, 25297, 46275, 64785, 75891, 107975, 126485, 177079, 323925, 379455, 531237, 632425, 885395, 1897275, 2656185, 4426975, 13280925]

約数ペア:

[(1, 13280925), (3, 4426975), (5, 2656185), (7, 1897275), (15, 885395), (21, 632425), (25, 531237), (35, 379455), (41, 323925), (75, 177079), (105, 126485), (123, 107975), (175, 75891), (205, 64785), (287, 46275), (525, 25297), (615, 21595), (617, 21525), (861, 15425), (1025, 12957), (1435, 9255), (1851, 7175), (3075, 4319), (3085, 4305)]