81451368

素因数分解:

$2^3\times 3^2\times {\mathrm{1131269}}^1$

素因数の和:1131281

約数の個数: 24

約数和(自身を含む): 220597650

約数和(自身を除く): 139146282

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1131269, 2262538, 3393807, 4525076, 6787614, 9050152, 10181421, 13575228, 20362842, 27150456, 40725684, 81451368]

約数ペア:

[(1, 81451368), (2, 40725684), (3, 27150456), (4, 20362842), (6, 13575228), (8, 10181421), (9, 9050152), (12, 6787614), (18, 4525076), (24, 3393807), (36, 2262538), (72, 1131269)]