251328693

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3307}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 434433024

約数和(自身を除く): 183104331

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 231, 329, 517, 539, 987, 1551, 1617, 2303, 3307, 3619, 6909, 9921, 10857, 23149, 25333, 36377, 69447, 75999, 109131, 155429, 162043, 254639, 466287, 486129, 763917, 1088003, 1709719, 1782473, 3264009, 5129157, 5347419, 7616021, 11968033, 22848063, 35904099, 83776231, 251328693]

約数ペア:

[(1, 251328693), (3, 83776231), (7, 35904099), (11, 22848063), (21, 11968033), (33, 7616021), (47, 5347419), (49, 5129157), (77, 3264009), (141, 1782473), (147, 1709719), (231, 1088003), (329, 763917), (517, 486129), (539, 466287), (987, 254639), (1551, 162043), (1617, 155429), (2303, 109131), (3307, 75999), (3619, 69447), (6909, 36377), (9921, 25333), (10857, 23149)]