68903985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 113742720

約数和(自身を除く): 44838735

約数列:

[1, 3, 5, 15, 41, 123, 181, 205, 543, 615, 619, 905, 1857, 2715, 3095, 7421, 9285, 22263, 25379, 37105, 76137, 111315, 112039, 126895, 336117, 380685, 560195, 1680585, 4593599, 13780797, 22967995, 68903985]

約数ペア:

[(1, 68903985), (3, 22967995), (5, 13780797), (15, 4593599), (41, 1680585), (123, 560195), (181, 380685), (205, 336117), (543, 126895), (615, 112039), (619, 111315), (905, 76137), (1857, 37105), (2715, 25379), (3095, 22263), (7421, 9285)]