129123495

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 236882880

約数和(自身を除く): 107759385

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 657, 1035, 1095, 1679, 1709, 3285, 5037, 5127, 8395, 8545, 15111, 15381, 25185, 25635, 39307, 75555, 76905, 117921, 124757, 196535, 353763, 374271, 589605, 623785, 1122813, 1768815, 1871355, 2869411, 5614065, 8608233, 14347055, 25824699, 43041165, 129123495]

約数ペア:

[(1, 129123495), (3, 43041165), (5, 25824699), (9, 14347055), (15, 8608233), (23, 5614065), (45, 2869411), (69, 1871355), (73, 1768815), (115, 1122813), (207, 623785), (219, 589605), (345, 374271), (365, 353763), (657, 196535), (1035, 124757), (1095, 117921), (1679, 76905), (1709, 75555), (3285, 39307), (5037, 25635), (5127, 25185), (8395, 15381), (8545, 15111)]