25642491

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 40634880

約数和(自身を除く): 14992389

約数列:

[1, 3, 7, 21, 43, 73, 129, 219, 301, 389, 511, 903, 1167, 1533, 2723, 3139, 8169, 9417, 16727, 21973, 28397, 50181, 65919, 85191, 117089, 198779, 351267, 596337, 1221071, 3663213, 8547497, 25642491]

約数ペア:

[(1, 25642491), (3, 8547497), (7, 3663213), (21, 1221071), (43, 596337), (73, 351267), (129, 198779), (219, 117089), (301, 85191), (389, 65919), (511, 50181), (903, 28397), (1167, 21973), (1533, 16727), (2723, 9417), (3139, 8169)]