40894371

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1973}}^1$

素因数の和:2040

約数の個数: 36

約数和(自身を含む): 70211232

約数和(自身を除く): 29316861

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1973, 2303, 2961, 5919, 6909, 13811, 17757, 20727, 41433, 92731, 96677, 124299, 278193, 290031, 649117, 834579, 870093, 1947351, 4543819, 5842053, 13631457, 40894371]

約数ペア:

[(1, 40894371), (3, 13631457), (7, 5842053), (9, 4543819), (21, 1947351), (47, 870093), (49, 834579), (63, 649117), (141, 290031), (147, 278193), (329, 124299), (423, 96677), (441, 92731), (987, 41433), (1973, 20727), (2303, 17757), (2961, 13811), (5919, 6909)]