220142643

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{18043}}^1$

素因数の和:18143

約数の個数: 24

約数和(自身を含む): 345578688

約数和(自身を除く): 125436045

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 18043, 54129, 126301, 378903, 884107, 1497569, 2652321, 4492707, 10482983, 31448949, 73380881, 220142643]

約数ペア:

[(1, 220142643), (3, 73380881), (7, 31448949), (21, 10482983), (49, 4492707), (83, 2652321), (147, 1497569), (249, 884107), (581, 378903), (1743, 126301), (4067, 54129), (12201, 18043)]