81492525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8423}}^1$

素因数の和:8482

約数の個数: 36

約数和(自身を含む): 149374368

約数和(自身を除く): 67881843

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 8423, 9675, 25269, 42115, 75807, 126345, 210575, 362189, 379035, 631725, 1086567, 1810945, 1895175, 3259701, 5432835, 9054725, 16298505, 27164175, 81492525]

約数ペア:

[(1, 81492525), (3, 27164175), (5, 16298505), (9, 9054725), (15, 5432835), (25, 3259701), (43, 1895175), (45, 1810945), (75, 1086567), (129, 631725), (215, 379035), (225, 362189), (387, 210575), (645, 126345), (1075, 75807), (1935, 42115), (3225, 25269), (8423, 9675)]