212858499

素因数分解:

$3^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{3023}}^1$

素因数の和:3519

約数の個数: 24

約数和(自身を含む): 330946560

約数和(自身を除く): 118088061

約数列:

[1, 3, 7, 21, 49, 147, 479, 1437, 3023, 3353, 9069, 10059, 21161, 23471, 63483, 70413, 148127, 444381, 1448017, 4344051, 10136119, 30408357, 70952833, 212858499]

約数ペア:

[(1, 212858499), (3, 70952833), (7, 30408357), (21, 10136119), (49, 4344051), (147, 1448017), (479, 444381), (1437, 148127), (3023, 70413), (3353, 63483), (9069, 23471), (10059, 21161)]