13407779

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 17805312

約数和(自身を除く): 4397533

約数列:

[1, 7, 11, 31, 41, 77, 137, 217, 287, 341, 451, 959, 1271, 1507, 2387, 3157, 4247, 5617, 8897, 10549, 13981, 29729, 39319, 46717, 61787, 97867, 174127, 327019, 432509, 1218889, 1915397, 13407779]

約数ペア:

[(1, 13407779), (7, 1915397), (11, 1218889), (31, 432509), (41, 327019), (77, 174127), (137, 97867), (217, 61787), (287, 46717), (341, 39319), (451, 29729), (959, 13981), (1271, 10549), (1507, 8897), (2387, 5617), (3157, 4247)]