1991411139

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{2683}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 2869346304

約数和(自身を除く): 877935165

約数列:

[1, 3, 23, 31, 69, 93, 347, 713, 1041, 2139, 2683, 7981, 8049, 10757, 23943, 32271, 61709, 83173, 185127, 247411, 249519, 742233, 931001, 1912979, 2793003, 5738937, 21413023, 28861031, 64239069, 86583093, 663803713, 1991411139]

約数ペア:

[(1, 1991411139), (3, 663803713), (23, 86583093), (31, 64239069), (69, 28861031), (93, 21413023), (347, 5738937), (713, 2793003), (1041, 1912979), (2139, 931001), (2683, 742233), (7981, 249519), (8049, 247411), (10757, 185127), (23943, 83173), (32271, 61709)]