51298779

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 80227840

約数和(自身を除く): 28929061

約数列:

[1, 3, 7, 21, 73, 109, 219, 307, 327, 511, 763, 921, 1533, 2149, 2289, 6447, 7957, 22411, 23871, 33463, 55699, 67233, 100389, 156877, 167097, 234241, 470631, 702723, 2442799, 7328397, 17099593, 51298779]

約数ペア:

[(1, 51298779), (3, 17099593), (7, 7328397), (21, 2442799), (73, 702723), (109, 470631), (219, 234241), (307, 167097), (327, 156877), (511, 100389), (763, 67233), (921, 55699), (1533, 33463), (2149, 23871), (2289, 22411), (6447, 7957)]