248289321

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{88897}}^1$

素因数の和:88933

約数の個数: 24

約数和(自身を含む): 405374880

約数和(自身を除く): 157085559

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 88897, 266691, 622279, 1689043, 1866837, 4355953, 5067129, 11823301, 13067859, 35469903, 82763107, 248289321]

約数ペア:

[(1, 248289321), (3, 82763107), (7, 35469903), (19, 13067859), (21, 11823301), (49, 5067129), (57, 4355953), (133, 1866837), (147, 1689043), (399, 622279), (931, 266691), (2793, 88897)]