81057615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7753}}^1$

素因数の和:7819

約数の個数: 32

約数和(自身を含む): 140688576

約数和(自身を除く): 59630961

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 7753, 10455, 23259, 38765, 116295, 131801, 317873, 395403, 659005, 953619, 1589365, 1977015, 4768095, 5403841, 16211523, 27019205, 81057615]

約数ペア:

[(1, 81057615), (3, 27019205), (5, 16211523), (15, 5403841), (17, 4768095), (41, 1977015), (51, 1589365), (85, 953619), (123, 659005), (205, 395403), (255, 317873), (615, 131801), (697, 116295), (2091, 38765), (3485, 23259), (7753, 10455)]