1279257819

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{2657}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 1978062336

約数和(自身を除く): 698804517

約数列:

[1, 3, 7, 21, 101, 227, 303, 681, 707, 1589, 2121, 2657, 4767, 7971, 18599, 22927, 55797, 68781, 160489, 268357, 481467, 603139, 805071, 1809417, 1878499, 4221973, 5635497, 12665919, 60917039, 182751117, 426419273, 1279257819]

約数ペア:

[(1, 1279257819), (3, 426419273), (7, 182751117), (21, 60917039), (101, 12665919), (227, 5635497), (303, 4221973), (681, 1878499), (707, 1809417), (1589, 805071), (2121, 603139), (2657, 481467), (4767, 268357), (7971, 160489), (18599, 68781), (22927, 55797)]