172988013

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{2137}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 254781184

約数和(自身を除く): 81793171

約数列:

[1, 3, 11, 33, 121, 223, 363, 669, 2137, 2453, 6411, 7359, 23507, 26983, 70521, 80949, 258577, 476551, 775731, 1429653, 5242061, 15726183, 57662671, 172988013]

約数ペア:

[(1, 172988013), (3, 57662671), (11, 15726183), (33, 5242061), (121, 1429653), (223, 775731), (363, 476551), (669, 258577), (2137, 80949), (2453, 70521), (6411, 26983), (7359, 23507)]