207979137

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 313589760

約数和(自身を除く): 105610623

約数列:

[1, 3, 9, 27, 127, 131, 381, 393, 463, 1143, 1179, 1389, 3429, 3537, 4167, 12501, 16637, 49911, 58801, 60653, 149733, 176403, 181959, 449199, 529209, 545877, 1587627, 1637631, 7702931, 23108793, 69326379, 207979137]

約数ペア:

[(1, 207979137), (3, 69326379), (9, 23108793), (27, 7702931), (127, 1637631), (131, 1587627), (381, 545877), (393, 529209), (463, 449199), (1143, 181959), (1179, 176403), (1389, 149733), (3429, 60653), (3537, 58801), (4167, 49911), (12501, 16637)]