221521107

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{2287}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 299819520

約数和(自身を除く): 78298413

約数列:

[1, 3, 83, 249, 389, 1167, 2287, 6861, 32287, 96861, 189821, 569463, 889643, 2668929, 73840369, 221521107]

約数ペア:

[(1, 221521107), (3, 73840369), (83, 2668929), (249, 889643), (389, 569463), (1167, 189821), (2287, 96861), (6861, 32287)]