202106085

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 328423680

約数和(自身を除く): 126317595

約数列:

[1, 3, 5, 15, 103, 257, 309, 509, 515, 771, 1285, 1527, 1545, 2545, 3855, 7635, 26471, 52427, 79413, 130813, 132355, 157281, 262135, 392439, 397065, 654065, 786405, 1962195, 13473739, 40421217, 67368695, 202106085]

約数ペア:

[(1, 202106085), (3, 67368695), (5, 40421217), (15, 13473739), (103, 1962195), (257, 786405), (309, 654065), (509, 397065), (515, 392439), (771, 262135), (1285, 157281), (1527, 132355), (1545, 130813), (2545, 79413), (3855, 52427), (7635, 26471)]