201987747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{2789}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 314823600

約数和(自身を除く): 112835853

約数列:

[1, 3, 9, 13, 39, 117, 619, 1857, 2789, 5571, 8047, 8367, 24141, 25101, 36257, 72423, 108771, 326313, 1726391, 5179173, 15537519, 22443083, 67329249, 201987747]

約数ペア:

[(1, 201987747), (3, 67329249), (9, 22443083), (13, 15537519), (39, 5179173), (117, 1726391), (619, 326313), (1857, 108771), (2789, 72423), (5571, 36257), (8047, 25101), (8367, 24141)]