71232231

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{2801}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 111160944

約数和(自身を除く): 39928713

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 1211, 2801, 3633, 8403, 8477, 19607, 25431, 58821, 137249, 411747, 484573, 1453719, 3392011, 10176033, 23744077, 71232231]

約数ペア:

[(1, 71232231), (3, 23744077), (7, 10176033), (21, 3392011), (49, 1453719), (147, 484573), (173, 411747), (519, 137249), (1211, 58821), (2801, 25431), (3633, 19607), (8403, 8477)]