8261991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 12579840

約数和(自身を除く): 4317849

約数列:

[1, 3, 9, 23, 69, 167, 207, 239, 501, 717, 1503, 2151, 3841, 5497, 11523, 16491, 34569, 39913, 49473, 119739, 359217, 917999, 2753997, 8261991]

約数ペア:

[(1, 8261991), (3, 2753997), (9, 917999), (23, 359217), (69, 119739), (167, 49473), (207, 39913), (239, 34569), (501, 16491), (717, 11523), (1503, 5497), (2151, 3841)]