71750445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 127209600

約数和(自身を除く): 55459155

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 199, 215, 559, 597, 645, 995, 1677, 1849, 2587, 2795, 2985, 5547, 7761, 8385, 8557, 9245, 12935, 24037, 25671, 27735, 38805, 42785, 72111, 111241, 120185, 128355, 333723, 360555, 367951, 556205, 1103853, 1668615, 1839755, 4783363, 5519265, 14350089, 23916815, 71750445]

約数ペア:

[(1, 71750445), (3, 23916815), (5, 14350089), (13, 5519265), (15, 4783363), (39, 1839755), (43, 1668615), (65, 1103853), (129, 556205), (195, 367951), (199, 360555), (215, 333723), (559, 128355), (597, 120185), (645, 111241), (995, 72111), (1677, 42785), (1849, 38805), (2587, 27735), (2795, 25671), (2985, 24037), (5547, 12935), (7761, 9245), (8385, 8557)]