131105919

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 206003200

約数和(自身を除く): 74897281

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 343, 721, 1029, 1237, 2163, 3711, 5047, 8659, 15141, 25977, 35329, 60613, 105987, 127411, 181839, 382233, 424291, 891877, 1272873, 2675631, 6243139, 18729417, 43701973, 131105919]

約数ペア:

[(1, 131105919), (3, 43701973), (7, 18729417), (21, 6243139), (49, 2675631), (103, 1272873), (147, 891877), (309, 424291), (343, 382233), (721, 181839), (1029, 127411), (1237, 105987), (2163, 60613), (3711, 35329), (5047, 25977), (8659, 15141)]