2115855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2239}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 4300800

約数和(自身を除く): 2184945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2239, 6717, 11195, 15673, 20151, 33585, 47019, 60453, 78365, 100755, 141057, 235095, 302265, 423171, 705285, 2115855]

約数ペア:

[(1, 2115855), (3, 705285), (5, 423171), (7, 302265), (9, 235095), (15, 141057), (21, 100755), (27, 78365), (35, 60453), (45, 47019), (63, 33585), (105, 20151), (135, 15673), (189, 11195), (315, 6717), (945, 2239)]