127998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:568

約数の個数: 24

約数和(自身を含む): 299208

約数和(自身を除く): 171210

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 547, 1094, 1641, 3282, 4923, 7111, 9846, 14222, 21333, 42666, 63999, 127998]

約数ペア:

[(1, 127998), (2, 63999), (3, 42666), (6, 21333), (9, 14222), (13, 9846), (18, 7111), (26, 4923), (39, 3282), (78, 1641), (117, 1094), (234, 547)]