215549505

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4327}}^1$

素因数の和:4388

約数の個数: 48

約数和(自身を含む): 396998784

約数和(自身を除く): 181449279

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1845, 3321, 4327, 5535, 9963, 12981, 16605, 21635, 38943, 49815, 64905, 116829, 177407, 194715, 350487, 532221, 584145, 887035, 1051461, 1596663, 1752435, 2661105, 4789989, 5257305, 7983315, 14369967, 23949945, 43109901, 71849835, 215549505]

約数ペア:

[(1, 215549505), (3, 71849835), (5, 43109901), (9, 23949945), (15, 14369967), (27, 7983315), (41, 5257305), (45, 4789989), (81, 2661105), (123, 1752435), (135, 1596663), (205, 1051461), (243, 887035), (369, 584145), (405, 532221), (615, 350487), (1107, 194715), (1215, 177407), (1845, 116829), (3321, 64905), (4327, 49815), (5535, 38943), (9963, 21635), (12981, 16605)]