28711995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 50175552

約数和(自身を除く): 21463557

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 2017, 2847, 4745, 6051, 10085, 14235, 26221, 30255, 78663, 131105, 147241, 393315, 441723, 736205, 1914133, 2208615, 5742399, 9570665, 28711995]

約数ペア:

[(1, 28711995), (3, 9570665), (5, 5742399), (13, 2208615), (15, 1914133), (39, 736205), (65, 441723), (73, 393315), (195, 147241), (219, 131105), (365, 78663), (949, 30255), (1095, 26221), (2017, 14235), (2847, 10085), (4745, 6051)]