217967451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^2$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 324510480

約数和(自身を除く): 106543029

約数列:

[1, 3, 13, 29, 39, 87, 377, 439, 1131, 1317, 5707, 12731, 17121, 38193, 165503, 192721, 496509, 578163, 2505373, 5588909, 7516119, 16766727, 72655817, 217967451]

約数ペア:

[(1, 217967451), (3, 72655817), (13, 16766727), (29, 7516119), (39, 5588909), (87, 2505373), (377, 578163), (439, 496509), (1131, 192721), (1317, 165503), (5707, 38193), (12731, 17121)]