2165805

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 3928320

約数和(自身を除く): 1762515

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 263, 305, 549, 789, 915, 1315, 1647, 2367, 2745, 3945, 7101, 8235, 11835, 16043, 35505, 48129, 80215, 144387, 240645, 433161, 721935, 2165805]

約数ペア:

[(1, 2165805), (3, 721935), (5, 433161), (9, 240645), (15, 144387), (27, 80215), (45, 48129), (61, 35505), (135, 16043), (183, 11835), (263, 8235), (305, 7101), (549, 3945), (789, 2745), (915, 2367), (1315, 1647)]