1995317961

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1\times {\mathrm{3433}}^1$

素因数の和:5585

約数の個数: 32

約数和(自身を含む): 3276860160

約数和(自身を除く): 1281542199

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2129, 3433, 6387, 10299, 14903, 24031, 27677, 44629, 44709, 72093, 83031, 133887, 193739, 312403, 581217, 937209, 7308857, 21926571, 51161999, 95015141, 153485997, 285045423, 665105987, 1995317961]

約数ペア:

[(1, 1995317961), (3, 665105987), (7, 285045423), (13, 153485997), (21, 95015141), (39, 51161999), (91, 21926571), (273, 7308857), (2129, 937209), (3433, 581217), (6387, 312403), (10299, 193739), (14903, 133887), (24031, 83031), (27677, 72093), (44629, 44709)]