221142243

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{13313}}^1$

素因数の和:13443

約数の個数: 24

約数和(自身を含む): 346057488

約数和(自身を除く): 124915245

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 5537, 13313, 16611, 39939, 93191, 279573, 652337, 1504369, 1957011, 4513107, 10530583, 31591749, 73714081, 221142243]

約数ペア:

[(1, 221142243), (3, 73714081), (7, 31591749), (21, 10530583), (49, 4513107), (113, 1957011), (147, 1504369), (339, 652337), (791, 279573), (2373, 93191), (5537, 39939), (13313, 16611)]