31481523

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 47848320

約数和(自身を除く): 16366797

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1643, 2129, 4929, 6387, 14787, 19161, 65999, 112837, 197997, 338511, 593991, 1015533, 3497947, 10493841, 31481523]

約数ペア:

[(1, 31481523), (3, 10493841), (9, 3497947), (31, 1015533), (53, 593991), (93, 338511), (159, 197997), (279, 112837), (477, 65999), (1643, 19161), (2129, 14787), (4929, 6387)]