15672321

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13093}}^1$

素因数の和:13125

約数の個数: 24

約数和(自身を含む): 27235520

約数和(自身を除く): 11563199

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 13093, 39279, 91651, 117837, 248767, 274953, 746301, 824859, 1741369, 2238903, 5224107, 15672321]

約数ペア:

[(1, 15672321), (3, 5224107), (7, 2238903), (9, 1741369), (19, 824859), (21, 746301), (57, 274953), (63, 248767), (133, 117837), (171, 91651), (399, 39279), (1197, 13093)]