12880857555

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1\times {\mathrm{5639}}^1$

素因数の和:7880

約数の個数: 48

約数和(自身を含む): 23312240640

約数和(自身を除く): 10431383085

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 2207, 5639, 6621, 11035, 16917, 19863, 28195, 33105, 50751, 50761, 84585, 99315, 129697, 152283, 253755, 253805, 389091, 456849, 648485, 761415, 1167273, 1945455, 2284245, 5836365, 12445273, 37335819, 62226365, 112007457, 186679095, 286241279, 560037285, 858723837, 1431206395, 2576171511, 4293619185, 12880857555]

約数ペア:

[(1, 12880857555), (3, 4293619185), (5, 2576171511), (9, 1431206395), (15, 858723837), (23, 560037285), (45, 286241279), (69, 186679095), (115, 112007457), (207, 62226365), (345, 37335819), (1035, 12445273), (2207, 5836365), (5639, 2284245), (6621, 1945455), (11035, 1167273), (16917, 761415), (19863, 648485), (28195, 456849), (33105, 389091), (50751, 253805), (50761, 253755), (84585, 152283), (99315, 129697)]