25381989

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 38438400

約数和(自身を除く): 13056411

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1231, 2291, 3693, 6873, 11079, 20619, 35699, 97249, 107097, 291747, 321291, 875241, 2820221, 8460663, 25381989]

約数ペア:

[(1, 25381989), (3, 8460663), (9, 2820221), (29, 875241), (79, 321291), (87, 291747), (237, 107097), (261, 97249), (711, 35699), (1231, 20619), (2291, 11079), (3693, 6873)]