65220375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 120347136

約数和(自身を除く): 55126761

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 125, 163, 165, 275, 291, 375, 485, 489, 815, 825, 1067, 1375, 1455, 1793, 2425, 2445, 3201, 4075, 4125, 5335, 5379, 7275, 8965, 12125, 12225, 15811, 16005, 20375, 26675, 26895, 36375, 44825, 47433, 61125, 79055, 80025, 133375, 134475, 173921, 224125, 237165, 395275, 400125, 521763, 672375, 869605, 1185825, 1976375, 2608815, 4348025, 5929125, 13044075, 21740125, 65220375]

約数ペア:

[(1, 65220375), (3, 21740125), (5, 13044075), (11, 5929125), (15, 4348025), (25, 2608815), (33, 1976375), (55, 1185825), (75, 869605), (97, 672375), (125, 521763), (163, 400125), (165, 395275), (275, 237165), (291, 224125), (375, 173921), (485, 134475), (489, 133375), (815, 80025), (825, 79055), (1067, 61125), (1375, 47433), (1455, 44825), (1793, 36375), (2425, 26895), (2445, 26675), (3201, 20375), (4075, 16005), (4125, 15811), (5335, 12225), (5379, 12125), (7275, 8965)]