7205121

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 13373568

約数和(自身を除く): 6168447

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 281, 333, 407, 693, 777, 843, 1221, 1967, 2331, 2529, 2849, 3091, 3663, 5901, 8547, 9273, 10397, 17703, 21637, 25641, 27819, 31191, 64911, 72779, 93573, 114367, 194733, 218337, 343101, 655011, 800569, 1029303, 2401707, 7205121]

約数ペア:

[(1, 7205121), (3, 2401707), (7, 1029303), (9, 800569), (11, 655011), (21, 343101), (33, 218337), (37, 194733), (63, 114367), (77, 93573), (99, 72779), (111, 64911), (231, 31191), (259, 27819), (281, 25641), (333, 21637), (407, 17703), (693, 10397), (777, 9273), (843, 8547), (1221, 5901), (1967, 3663), (2331, 3091), (2529, 2849)]