8750025

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 16879500

約数和(自身を除く): 8129475

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 149, 225, 261, 405, 435, 447, 675, 725, 745, 783, 1305, 1341, 2025, 2175, 2235, 2349, 3725, 3915, 4023, 4321, 6525, 6705, 11175, 11745, 12069, 12963, 19575, 20115, 21605, 33525, 38889, 58725, 60345, 64815, 100575, 108025, 116667, 194445, 301725, 324075, 350001, 583335, 972225, 1750005, 2916675, 8750025]

約数ペア:

[(1, 8750025), (3, 2916675), (5, 1750005), (9, 972225), (15, 583335), (25, 350001), (27, 324075), (29, 301725), (45, 194445), (75, 116667), (81, 108025), (87, 100575), (135, 64815), (145, 60345), (149, 58725), (225, 38889), (261, 33525), (405, 21605), (435, 20115), (447, 19575), (675, 12963), (725, 12069), (745, 11745), (783, 11175), (1305, 6705), (1341, 6525), (2025, 4321), (2175, 4023), (2235, 3915), (2349, 3725)]