26280375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 49959936

約数和(自身を除く): 23679561

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 125, 165, 253, 275, 277, 345, 375, 575, 759, 825, 831, 1265, 1375, 1385, 1725, 2875, 3047, 3795, 4125, 4155, 6325, 6371, 6925, 8625, 9141, 15235, 18975, 19113, 20775, 31625, 31855, 34625, 45705, 70081, 76175, 94875, 95565, 103875, 159275, 210243, 228525, 350405, 380875, 477825, 796375, 1051215, 1142625, 1752025, 2389125, 5256075, 8760125, 26280375]

約数ペア:

[(1, 26280375), (3, 8760125), (5, 5256075), (11, 2389125), (15, 1752025), (23, 1142625), (25, 1051215), (33, 796375), (55, 477825), (69, 380875), (75, 350405), (115, 228525), (125, 210243), (165, 159275), (253, 103875), (275, 95565), (277, 94875), (345, 76175), (375, 70081), (575, 45705), (759, 34625), (825, 31855), (831, 31625), (1265, 20775), (1375, 19113), (1385, 18975), (1725, 15235), (2875, 9141), (3047, 8625), (3795, 6925), (4125, 6371), (4155, 6325)]