2290815

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1856385

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 239, 355, 639, 717, 1065, 1195, 1917, 2151, 3195, 3585, 6453, 9585, 10755, 16969, 32265, 50907, 84845, 152721, 254535, 458163, 763605, 2290815]

約数ペア:

[(1, 2290815), (3, 763605), (5, 458163), (9, 254535), (15, 152721), (27, 84845), (45, 50907), (71, 32265), (135, 16969), (213, 10755), (239, 9585), (355, 6453), (639, 3585), (717, 3195), (1065, 2151), (1195, 1917)]