31372315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 41214528

約数和(自身を除く): 9842213

約数列:

[1, 5, 13, 65, 137, 169, 271, 685, 845, 1355, 1781, 3523, 8905, 17615, 23153, 37127, 45799, 115765, 185635, 228995, 482651, 2413255, 6274463, 31372315]

約数ペア:

[(1, 31372315), (5, 6274463), (13, 2413255), (65, 482651), (137, 228995), (169, 185635), (271, 115765), (685, 45799), (845, 37127), (1355, 23153), (1781, 17615), (3523, 8905)]