1223235

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 2540160

約数和(自身を除く): 1316925

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 41, 45, 51, 65, 85, 117, 123, 135, 153, 195, 205, 221, 255, 351, 369, 459, 533, 585, 615, 663, 697, 765, 1105, 1107, 1599, 1755, 1845, 1989, 2091, 2295, 2665, 3315, 3485, 4797, 5535, 5967, 6273, 7995, 9061, 9945, 10455, 14391, 18819, 23985, 27183, 29835, 31365, 45305, 71955, 81549, 94095, 135915, 244647, 407745, 1223235]

約数ペア:

[(1, 1223235), (3, 407745), (5, 244647), (9, 135915), (13, 94095), (15, 81549), (17, 71955), (27, 45305), (39, 31365), (41, 29835), (45, 27183), (51, 23985), (65, 18819), (85, 14391), (117, 10455), (123, 9945), (135, 9061), (153, 7995), (195, 6273), (205, 5967), (221, 5535), (255, 4797), (351, 3485), (369, 3315), (459, 2665), (533, 2295), (585, 2091), (615, 1989), (663, 1845), (697, 1755), (765, 1599), (1105, 1107)]