18297765

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16538715

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 71, 83, 115, 135, 207, 213, 249, 345, 355, 415, 621, 639, 747, 1035, 1065, 1245, 1633, 1909, 1917, 2241, 3105, 3195, 3735, 4899, 5727, 5893, 8165, 9545, 9585, 11205, 14697, 17181, 17679, 24495, 28635, 29465, 44091, 51543, 53037, 73485, 85905, 88395, 135539, 159111, 220455, 257715, 265185, 406617, 677695, 795555, 1219851, 2033085, 3659553, 6099255, 18297765]

約数ペア:

[(1, 18297765), (3, 6099255), (5, 3659553), (9, 2033085), (15, 1219851), (23, 795555), (27, 677695), (45, 406617), (69, 265185), (71, 257715), (83, 220455), (115, 159111), (135, 135539), (207, 88395), (213, 85905), (249, 73485), (345, 53037), (355, 51543), (415, 44091), (621, 29465), (639, 28635), (747, 24495), (1035, 17679), (1065, 17181), (1245, 14697), (1633, 11205), (1909, 9585), (1917, 9545), (2241, 8165), (3105, 5893), (3195, 5727), (3735, 4899)]