26280525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 46157760

約数和(自身を除く): 19877235

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 145, 215, 281, 435, 645, 725, 843, 1075, 1247, 1405, 2175, 3225, 3741, 4215, 6235, 7025, 8149, 12083, 18705, 21075, 24447, 31175, 36249, 40745, 60415, 93525, 122235, 181245, 203725, 302075, 350407, 611175, 906225, 1051221, 1752035, 5256105, 8760175, 26280525]

約数ペア:

[(1, 26280525), (3, 8760175), (5, 5256105), (15, 1752035), (25, 1051221), (29, 906225), (43, 611175), (75, 350407), (87, 302075), (129, 203725), (145, 181245), (215, 122235), (281, 93525), (435, 60415), (645, 40745), (725, 36249), (843, 31175), (1075, 24447), (1247, 21075), (1405, 18705), (2175, 12083), (3225, 8149), (3741, 7025), (4215, 6235)]