25177905

素因数分解:

$3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 44968320

約数和(自身を除く): 19790415

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 421, 443, 1263, 1329, 2105, 2215, 3789, 3987, 6315, 6645, 11367, 11961, 18945, 19935, 56835, 59805, 186503, 559509, 932515, 1678527, 2797545, 5035581, 8392635, 25177905]

約数ペア:

[(1, 25177905), (3, 8392635), (5, 5035581), (9, 2797545), (15, 1678527), (27, 932515), (45, 559509), (135, 186503), (421, 59805), (443, 56835), (1263, 19935), (1329, 18945), (2105, 11961), (2215, 11367), (3789, 6645), (3987, 6315)]