15750045

素因数分解:

$3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 56

約数和(自身を含む): 29511000

約数和(自身を除く): 13760955

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 149, 243, 261, 405, 435, 447, 729, 745, 783, 1215, 1305, 1341, 2235, 2349, 3645, 3915, 4023, 4321, 6705, 7047, 11745, 12069, 12963, 20115, 21141, 21605, 35235, 36207, 38889, 60345, 64815, 105705, 108621, 116667, 181035, 194445, 350001, 543105, 583335, 1050003, 1750005, 3150009, 5250015, 15750045]

約数ペア:

[(1, 15750045), (3, 5250015), (5, 3150009), (9, 1750005), (15, 1050003), (27, 583335), (29, 543105), (45, 350001), (81, 194445), (87, 181035), (135, 116667), (145, 108621), (149, 105705), (243, 64815), (261, 60345), (405, 38889), (435, 36207), (447, 35235), (729, 21605), (745, 21141), (783, 20115), (1215, 12963), (1305, 12069), (1341, 11745), (2235, 7047), (2349, 6705), (3645, 4321), (3915, 4023)]