40506903

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 65235456

約数和(自身を除く): 24728553

約数列:

[1, 3, 9, 17, 43, 47, 51, 129, 131, 141, 153, 387, 393, 423, 731, 799, 1179, 2021, 2193, 2227, 2397, 5633, 6063, 6157, 6579, 6681, 7191, 16899, 18189, 18471, 20043, 34357, 50697, 55413, 95761, 103071, 104669, 264751, 287283, 309213, 314007, 794253, 861849, 942021, 2382759, 4500767, 13502301, 40506903]

約数ペア:

[(1, 40506903), (3, 13502301), (9, 4500767), (17, 2382759), (43, 942021), (47, 861849), (51, 794253), (129, 314007), (131, 309213), (141, 287283), (153, 264751), (387, 104669), (393, 103071), (423, 95761), (731, 55413), (799, 50697), (1179, 34357), (2021, 20043), (2193, 18471), (2227, 18189), (2397, 16899), (5633, 7191), (6063, 6681), (6157, 6579)]