80995905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 149610240

約数和(自身を除く): 68614335

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 239, 255, 443, 717, 765, 1195, 1329, 2151, 2215, 3585, 3987, 4063, 6645, 7531, 10755, 12189, 19935, 20315, 22593, 36567, 37655, 60945, 67779, 105877, 112965, 182835, 317631, 338895, 529385, 952893, 1588155, 1799909, 4764465, 5399727, 8999545, 16199181, 26998635, 80995905]

約数ペア:

[(1, 80995905), (3, 26998635), (5, 16199181), (9, 8999545), (15, 5399727), (17, 4764465), (45, 1799909), (51, 1588155), (85, 952893), (153, 529385), (239, 338895), (255, 317631), (443, 182835), (717, 112965), (765, 105877), (1195, 67779), (1329, 60945), (2151, 37655), (2215, 36567), (3585, 22593), (3987, 20315), (4063, 19935), (6645, 12189), (7531, 10755)]