2859705

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 5366592

約数和(自身を除く): 2506887

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 307, 345, 405, 621, 921, 1035, 1535, 1863, 2763, 3105, 4605, 7061, 8289, 9315, 13815, 21183, 24867, 35305, 41445, 63549, 105915, 124335, 190647, 317745, 571941, 953235, 2859705]

約数ペア:

[(1, 2859705), (3, 953235), (5, 571941), (9, 317745), (15, 190647), (23, 124335), (27, 105915), (45, 63549), (69, 41445), (81, 35305), (115, 24867), (135, 21183), (207, 13815), (307, 9315), (345, 8289), (405, 7061), (621, 4605), (921, 3105), (1035, 2763), (1535, 1863)]