2520855

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2041065

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 263, 355, 639, 789, 1065, 1315, 1917, 2367, 3195, 3945, 7101, 9585, 11835, 18673, 35505, 56019, 93365, 168057, 280095, 504171, 840285, 2520855]

約数ペア:

[(1, 2520855), (3, 840285), (5, 504171), (9, 280095), (15, 168057), (27, 93365), (45, 56019), (71, 35505), (135, 18673), (213, 11835), (263, 9585), (355, 7101), (639, 3945), (789, 3195), (1065, 2367), (1315, 1917)]