81345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:65

約数の個数: 32

約数和(自身を含む): 155520

約数和(自身を除く): 74175

約数列:

[1, 3, 5, 11, 15, 17, 29, 33, 51, 55, 85, 87, 145, 165, 187, 255, 319, 435, 493, 561, 935, 957, 1479, 1595, 2465, 2805, 4785, 5423, 7395, 16269, 27115, 81345]

約数ペア:

[(1, 81345), (3, 27115), (5, 16269), (11, 7395), (15, 5423), (17, 4785), (29, 2805), (33, 2465), (51, 1595), (55, 1479), (85, 957), (87, 935), (145, 561), (165, 493), (187, 435), (255, 319)]