25428501

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 54

約数和(自身を含む): 45075030

約数和(自身を除く): 19646529

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 109, 147, 161, 207, 327, 441, 483, 529, 763, 981, 1127, 1449, 1587, 2289, 2507, 3381, 3703, 4761, 5341, 6867, 7521, 10143, 11109, 16023, 17549, 22563, 25921, 33327, 48069, 52647, 57661, 77763, 122843, 157941, 172983, 233289, 368529, 403627, 518949, 1105587, 1210881, 2825389, 3632643, 8476167, 25428501]

約数ペア:

[(1, 25428501), (3, 8476167), (7, 3632643), (9, 2825389), (21, 1210881), (23, 1105587), (49, 518949), (63, 403627), (69, 368529), (109, 233289), (147, 172983), (161, 157941), (207, 122843), (327, 77763), (441, 57661), (483, 52647), (529, 48069), (763, 33327), (981, 25921), (1127, 22563), (1449, 17549), (1587, 16023), (2289, 11109), (2507, 10143), (3381, 7521), (3703, 6867), (4761, 5341)]