2988285

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 5056128

約数和(自身を除く): 2067843

約数列:

[1, 3, 5, 15, 41, 43, 113, 123, 129, 205, 215, 339, 565, 615, 645, 1695, 1763, 4633, 4859, 5289, 8815, 13899, 14577, 23165, 24295, 26445, 69495, 72885, 199219, 597657, 996095, 2988285]

約数ペア:

[(1, 2988285), (3, 996095), (5, 597657), (15, 199219), (41, 72885), (43, 69495), (113, 26445), (123, 24295), (129, 23165), (205, 14577), (215, 13899), (339, 8815), (565, 5289), (615, 4859), (645, 4633), (1695, 1763)]