78875811

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40387}}^1$

素因数の和:40431

約数の個数: 24

約数和(自身を含む): 134411264

約数和(自身を除く): 55535453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 40387, 121161, 282709, 363483, 848127, 1251997, 2544381, 3755991, 8763979, 11267973, 26291937, 78875811]

約数ペア:

[(1, 78875811), (3, 26291937), (7, 11267973), (9, 8763979), (21, 3755991), (31, 2544381), (63, 1251997), (93, 848127), (217, 363483), (279, 282709), (651, 121161), (1953, 40387)]