15250221

素因数分解:

$3^3\times 7^2\times {\mathrm{11527}}^1$

素因数の和:11550

約数の個数: 24

約数和(自身を含む): 26283840

約数和(自身を除く): 11033619

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 11527, 34581, 80689, 103743, 242067, 311229, 564823, 726201, 1694469, 2178603, 5083407, 15250221]

約数ペア:

[(1, 15250221), (3, 5083407), (7, 2178603), (9, 1694469), (21, 726201), (27, 564823), (49, 311229), (63, 242067), (147, 103743), (189, 80689), (441, 34581), (1323, 11527)]