420801765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{2221}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 714168576

約数和(自身を除く): 293366811

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 743, 2221, 2229, 3715, 6663, 11105, 11145, 12631, 33315, 37757, 37893, 63155, 113271, 188785, 189465, 566355, 1650203, 4950609, 8251015, 24753045, 28053451, 84160353, 140267255, 420801765]

約数ペア:

[(1, 420801765), (3, 140267255), (5, 84160353), (15, 28053451), (17, 24753045), (51, 8251015), (85, 4950609), (255, 1650203), (743, 566355), (2221, 189465), (2229, 188785), (3715, 113271), (6663, 63155), (11105, 37893), (11145, 37757), (12631, 33315)]