30431331

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25423}}^1$

素因数の和:25455

約数の個数: 24

約数和(自身を含む): 52881920

約数和(自身を除く): 22450589

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 25423, 76269, 177961, 228807, 483037, 533883, 1449111, 1601649, 3381259, 4347333, 10143777, 30431331]

約数ペア:

[(1, 30431331), (3, 10143777), (7, 4347333), (9, 3381259), (19, 1601649), (21, 1449111), (57, 533883), (63, 483037), (133, 228807), (171, 177961), (399, 76269), (1197, 25423)]