388629915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{1307}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 638136576

約数和(自身を除く): 249506661

約数列:

[1, 3, 5, 15, 43, 129, 215, 461, 645, 1307, 1383, 2305, 3921, 6535, 6915, 19605, 19823, 56201, 59469, 99115, 168603, 281005, 297345, 602527, 843015, 1807581, 3012635, 9037905, 25908661, 77725983, 129543305, 388629915]

約数ペア:

[(1, 388629915), (3, 129543305), (5, 77725983), (15, 25908661), (43, 9037905), (129, 3012635), (215, 1807581), (461, 843015), (645, 602527), (1307, 297345), (1383, 281005), (2305, 168603), (3921, 99115), (6535, 59469), (6915, 56201), (19605, 19823)]