65290785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 122386752

約数和(自身を除く): 57095967

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 211, 245, 421, 633, 735, 1055, 1263, 1477, 2105, 2947, 3165, 4431, 6315, 7385, 8841, 10339, 14735, 20629, 22155, 31017, 44205, 51695, 61887, 88831, 103145, 155085, 266493, 309435, 444155, 621817, 1332465, 1865451, 3109085, 4352719, 9327255, 13058157, 21763595, 65290785]

約数ペア:

[(1, 65290785), (3, 21763595), (5, 13058157), (7, 9327255), (15, 4352719), (21, 3109085), (35, 1865451), (49, 1332465), (105, 621817), (147, 444155), (211, 309435), (245, 266493), (421, 155085), (633, 103145), (735, 88831), (1055, 61887), (1263, 51695), (1477, 44205), (2105, 31017), (2947, 22155), (3165, 20629), (4431, 14735), (6315, 10339), (7385, 8841)]