209314917

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5333}}^1$

素因数の和:5442

約数の個数: 36

約数和(自身を含む): 355724460

約数和(自身を除く): 146409543

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5333, 5607, 13083, 15999, 37331, 39249, 47997, 111993, 261317, 335979, 474637, 783951, 1423911, 2351853, 3322459, 4271733, 9967377, 23257213, 29902131, 69771639, 209314917]

約数ペア:

[(1, 209314917), (3, 69771639), (7, 29902131), (9, 23257213), (21, 9967377), (49, 4271733), (63, 3322459), (89, 2351853), (147, 1423911), (267, 783951), (441, 474637), (623, 335979), (801, 261317), (1869, 111993), (4361, 47997), (5333, 39249), (5607, 37331), (13083, 15999)]