778820973

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{6983}}^1$

素因数の和:7153

約数の個数: 32

約数和(自身を含む): 1222926336

約数和(自身を除く): 444105363

約数列:

[1, 3, 7, 21, 47, 113, 141, 329, 339, 791, 987, 2373, 5311, 6983, 15933, 20949, 37177, 48881, 111531, 146643, 328201, 789079, 984603, 2297407, 2367237, 5523553, 6892221, 16570659, 37086713, 111260139, 259606991, 778820973]

約数ペア:

[(1, 778820973), (3, 259606991), (7, 111260139), (21, 37086713), (47, 16570659), (113, 6892221), (141, 5523553), (329, 2367237), (339, 2297407), (791, 984603), (987, 789079), (2373, 328201), (5311, 146643), (6983, 111531), (15933, 48881), (20949, 37177)]