25728021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15287}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 17200683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 15287, 45861, 137583, 168157, 259879, 504471, 779637, 1513413, 2338911, 2858669, 8576007, 25728021]

約数ペア:

[(1, 25728021), (3, 8576007), (9, 2858669), (11, 2338911), (17, 1513413), (33, 779637), (51, 504471), (99, 259879), (153, 168157), (187, 137583), (561, 45861), (1683, 15287)]