25663905

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4421}}^1$

素因数の和:4478

約数の個数: 32

約数和(自身を含む): 46696320

約数和(自身を除く): 21032415

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4421, 5805, 13263, 22105, 39789, 66315, 119367, 190103, 198945, 570309, 596835, 950515, 1710927, 2851545, 5132781, 8554635, 25663905]

約数ペア:

[(1, 25663905), (3, 8554635), (5, 5132781), (9, 2851545), (15, 1710927), (27, 950515), (43, 596835), (45, 570309), (129, 198945), (135, 190103), (215, 119367), (387, 66315), (645, 39789), (1161, 22105), (1935, 13263), (4421, 5805)]