1391391

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 2133600

約数和(自身を除く): 742209

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 1777, 5331, 15993, 47979, 51533, 154599, 463797, 1391391]

約数ペア:

[(1, 1391391), (3, 463797), (9, 154599), (27, 51533), (29, 47979), (87, 15993), (261, 5331), (783, 1777)]