198398151

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{39863}}^1$

素因数の和:39955

約数の個数: 24

約数和(自身を含む): 331668480

約数和(自身を除く): 133270329

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 39863, 119589, 279041, 358767, 837123, 2511369, 3149177, 9447531, 22044239, 28342593, 66132717, 198398151]

約数ペア:

[(1, 198398151), (3, 66132717), (7, 28342593), (9, 22044239), (21, 9447531), (63, 3149177), (79, 2511369), (237, 837123), (553, 358767), (711, 279041), (1659, 119589), (4977, 39863)]