81319245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45557}}^1$

素因数の和:45589

約数の個数: 32

約数和(自身を含む): 157448448

約数和(自身を除く): 76129203

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 45557, 136671, 227785, 318899, 683355, 774469, 956697, 1594495, 2323407, 3872345, 4783485, 5421283, 11617035, 16263849, 27106415, 81319245]

約数ペア:

[(1, 81319245), (3, 27106415), (5, 16263849), (7, 11617035), (15, 5421283), (17, 4783485), (21, 3872345), (35, 2323407), (51, 1594495), (85, 956697), (105, 774469), (119, 683355), (255, 318899), (357, 227785), (595, 136671), (1785, 45557)]