2309985

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 4181760

約数和(自身を除く): 1871775

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 241, 355, 639, 723, 1065, 1205, 1917, 2169, 3195, 3615, 6507, 9585, 10845, 17111, 32535, 51333, 85555, 153999, 256665, 461997, 769995, 2309985]

約数ペア:

[(1, 2309985), (3, 769995), (5, 461997), (9, 256665), (15, 153999), (27, 85555), (45, 51333), (71, 32535), (135, 17111), (213, 10845), (241, 9585), (355, 6507), (639, 3615), (723, 3195), (1065, 2169), (1205, 1917)]