291275397

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{19843}}^1$

素因数の和:20089

約数の個数: 24

約数和(自身を含む): 482923584

約数和(自身を除く): 191648187

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1631, 2097, 4893, 14679, 19843, 59529, 138901, 178587, 416703, 1250109, 4623419, 13870257, 32363933, 41610771, 97091799, 291275397]

約数ペア:

[(1, 291275397), (3, 97091799), (7, 41610771), (9, 32363933), (21, 13870257), (63, 4623419), (233, 1250109), (699, 416703), (1631, 178587), (2097, 138901), (4893, 59529), (14679, 19843)]