2198205

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 4118400

約数和(自身を除く): 1920195

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 857, 2565, 2571, 4285, 7713, 12855, 16283, 23139, 38565, 48849, 81415, 115695, 146547, 244245, 439641, 732735, 2198205]

約数ペア:

[(1, 2198205), (3, 732735), (5, 439641), (9, 244245), (15, 146547), (19, 115695), (27, 81415), (45, 48849), (57, 38565), (95, 23139), (135, 16283), (171, 12855), (285, 7713), (513, 4285), (855, 2571), (857, 2565)]