198216189

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{39971}}^1$

素因数の和:40025

約数の個数: 24

約数和(自身を含む): 311781600

約数和(自身を除く): 113565411

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 39971, 119913, 359739, 759449, 1159159, 2278347, 3477477, 6835041, 10432431, 22024021, 66072063, 198216189]

約数ペア:

[(1, 198216189), (3, 66072063), (9, 22024021), (19, 10432431), (29, 6835041), (57, 3477477), (87, 2278347), (171, 1159159), (261, 759449), (551, 359739), (1653, 119913), (4959, 39971)]