1277881485

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{5419}}^1$

素因数の和:5705

約数の個数: 32

約数和(自身を含む): 2081280000

約数和(自身を除く): 803398515

約数列:

[1, 3, 5, 15, 79, 199, 237, 395, 597, 995, 1185, 2985, 5419, 15721, 16257, 27095, 47163, 78605, 81285, 235815, 428101, 1078381, 1284303, 2140505, 3235143, 5391905, 6421515, 16175715, 85192099, 255576297, 425960495, 1277881485]

約数ペア:

[(1, 1277881485), (3, 425960495), (5, 255576297), (15, 85192099), (79, 16175715), (199, 6421515), (237, 5391905), (395, 3235143), (597, 2140505), (995, 1284303), (1185, 1078381), (2985, 428101), (5419, 235815), (15721, 81285), (16257, 78605), (27095, 47163)]