12521399

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 14501760

約数和(自身を除く): 1980361

約数列:

[1, 11, 19, 181, 209, 331, 1991, 3439, 3641, 6289, 37829, 59911, 69179, 659021, 1138309, 12521399]

約数ペア:

[(1, 12521399), (11, 1138309), (19, 659021), (181, 69179), (209, 59911), (331, 37829), (1991, 6289), (3439, 3641)]