197903925

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7151}}^1$

素因数の和:7211

約数の個数: 48

約数和(自身を含む): 372476160

約数和(自身を除く): 174572235

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 1025, 1107, 1845, 3075, 5535, 7151, 9225, 21453, 27675, 35755, 64359, 107265, 178775, 193077, 293191, 321795, 536325, 879573, 965385, 1465955, 1608975, 2638719, 4397865, 4826925, 7329775, 7916157, 13193595, 21989325, 39580785, 65967975, 197903925]

約数ペア:

[(1, 197903925), (3, 65967975), (5, 39580785), (9, 21989325), (15, 13193595), (25, 7916157), (27, 7329775), (41, 4826925), (45, 4397865), (75, 2638719), (123, 1608975), (135, 1465955), (205, 965385), (225, 879573), (369, 536325), (615, 321795), (675, 293191), (1025, 193077), (1107, 178775), (1845, 107265), (3075, 64359), (5535, 35755), (7151, 27675), (9225, 21453)]