68015745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 135412992

約数和(自身を除く): 67397247

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 263, 315, 789, 821, 1315, 1841, 2367, 2463, 3945, 4105, 5523, 5747, 7389, 9205, 11835, 12315, 16569, 17241, 27615, 28735, 36945, 51723, 82845, 86205, 215923, 258615, 647769, 1079615, 1511461, 1943307, 3238845, 4534383, 7557305, 9716535, 13603149, 22671915, 68015745]

約数ペア:

[(1, 68015745), (3, 22671915), (5, 13603149), (7, 9716535), (9, 7557305), (15, 4534383), (21, 3238845), (35, 1943307), (45, 1511461), (63, 1079615), (105, 647769), (263, 258615), (315, 215923), (789, 86205), (821, 82845), (1315, 51723), (1841, 36945), (2367, 28735), (2463, 27615), (3945, 17241), (4105, 16569), (5523, 12315), (5747, 11835), (7389, 9205)]