69936321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 122931200

約数和(自身を除く): 52994879

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 97, 133, 139, 247, 273, 291, 399, 417, 679, 741, 973, 1261, 1729, 1807, 1843, 2037, 2641, 2919, 3783, 5187, 5421, 5529, 7923, 8827, 12649, 12901, 13483, 18487, 23959, 26481, 34333, 37947, 38703, 40449, 55461, 71877, 94381, 102999, 167713, 175279, 240331, 256177, 283143, 503139, 525837, 720993, 768531, 1226953, 1793239, 3330301, 3680859, 5379717, 9990903, 23312107, 69936321]

約数ペア:

[(1, 69936321), (3, 23312107), (7, 9990903), (13, 5379717), (19, 3680859), (21, 3330301), (39, 1793239), (57, 1226953), (91, 768531), (97, 720993), (133, 525837), (139, 503139), (247, 283143), (273, 256177), (291, 240331), (399, 175279), (417, 167713), (679, 102999), (741, 94381), (973, 71877), (1261, 55461), (1729, 40449), (1807, 38703), (1843, 37947), (2037, 34333), (2641, 26481), (2919, 23959), (3783, 18487), (5187, 13483), (5421, 12901), (5529, 12649), (7923, 8827)]