81285156

素因数分解:

$2^2\times 3^2\times {\mathrm{701}}^1\times {\mathrm{3221}}^1$

素因数の和:3932

約数の個数: 36

約数和(自身を含む): 205827804

約数和(自身を除く): 124542648

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 701, 1402, 2103, 2804, 3221, 4206, 6309, 6442, 8412, 9663, 12618, 12884, 19326, 25236, 28989, 38652, 57978, 115956, 2257921, 4515842, 6773763, 9031684, 13547526, 20321289, 27095052, 40642578, 81285156]

約数ペア:

[(1, 81285156), (2, 40642578), (3, 27095052), (4, 20321289), (6, 13547526), (9, 9031684), (12, 6773763), (18, 4515842), (36, 2257921), (701, 115956), (1402, 57978), (2103, 38652), (2804, 28989), (3221, 25236), (4206, 19326), (6309, 12884), (6442, 12618), (8412, 9663)]