2157435

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{761}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 4425696

約数和(自身を除く): 2268261

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 761, 945, 2283, 2835, 3805, 5327, 6849, 11415, 15981, 20547, 26635, 34245, 47943, 61641, 79905, 102735, 143829, 239715, 308205, 431487, 719145, 2157435]

約数ペア:

[(1, 2157435), (3, 719145), (5, 431487), (7, 308205), (9, 239715), (15, 143829), (21, 102735), (27, 79905), (35, 61641), (45, 47943), (63, 34245), (81, 26635), (105, 20547), (135, 15981), (189, 11415), (315, 6849), (405, 5327), (567, 3805), (761, 2835), (945, 2283)]