120820005

素因数分解:

$3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1109}}^1$

素因数の和:1395

約数の個数: 40

約数和(自身を含む): 217582200

約数和(自身を除く): 96762195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 269, 405, 807, 1109, 1345, 2421, 3327, 4035, 5545, 7263, 9981, 12105, 16635, 21789, 29943, 36315, 49905, 89829, 108945, 149715, 298321, 449145, 894963, 1491605, 2684889, 4474815, 8054667, 13424445, 24164001, 40273335, 120820005]

約数ペア:

[(1, 120820005), (3, 40273335), (5, 24164001), (9, 13424445), (15, 8054667), (27, 4474815), (45, 2684889), (81, 1491605), (135, 894963), (269, 449145), (405, 298321), (807, 149715), (1109, 108945), (1345, 89829), (2421, 49905), (3327, 36315), (4035, 29943), (5545, 21789), (7263, 16635), (9981, 12105)]