81123276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{520021}}^1$

素因数の和:520041

約数の個数: 24

約数和(自身を含む): 203848624

約数和(自身を除く): 122725348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 520021, 1040042, 1560063, 2080084, 3120126, 6240252, 6760273, 13520546, 20280819, 27041092, 40561638, 81123276]

約数ペア:

[(1, 81123276), (2, 40561638), (3, 27041092), (4, 20280819), (6, 13520546), (12, 6760273), (13, 6240252), (26, 3120126), (39, 2080084), (52, 1560063), (78, 1040042), (156, 520021)]