25579071

素因数分解:

$3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 44082720

約数和(自身を除く): 18503649

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 229, 567, 591, 687, 1379, 1603, 1773, 2061, 4137, 4809, 5319, 6183, 12411, 14427, 15957, 18549, 37233, 43281, 45113, 111699, 129843, 135339, 315791, 406017, 947373, 1218051, 2842119, 3654153, 8526357, 25579071]

約数ペア:

[(1, 25579071), (3, 8526357), (7, 3654153), (9, 2842119), (21, 1218051), (27, 947373), (63, 406017), (81, 315791), (189, 135339), (197, 129843), (229, 111699), (567, 45113), (591, 43281), (687, 37233), (1379, 18549), (1603, 15957), (1773, 14427), (2061, 12411), (4137, 6183), (4809, 5319)]