233919

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 399360

約数和(自身を除く): 165441

約数列:

[1, 3, 7, 9, 21, 47, 63, 79, 141, 237, 329, 423, 553, 711, 987, 1659, 2961, 3713, 4977, 11139, 25991, 33417, 77973, 233919]

約数ペア:

[(1, 233919), (3, 77973), (7, 33417), (9, 25991), (21, 11139), (47, 4977), (63, 3713), (79, 2961), (141, 1659), (237, 987), (329, 711), (423, 553)]