6990705

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 12867624

約数和(自身を除く): 5876919

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 421, 615, 1107, 1263, 1845, 2105, 3321, 3789, 5535, 6315, 11367, 16605, 17261, 18945, 34101, 51783, 56835, 86305, 155349, 170505, 258915, 466047, 776745, 1398141, 2330235, 6990705]

約数ペア:

[(1, 6990705), (3, 2330235), (5, 1398141), (9, 776745), (15, 466047), (27, 258915), (41, 170505), (45, 155349), (81, 86305), (123, 56835), (135, 51783), (205, 34101), (369, 18945), (405, 17261), (421, 16605), (615, 11367), (1107, 6315), (1263, 5535), (1845, 3789), (2105, 3321)]