1750005

素因数分解:

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

素因数の和:195

約数の個数: 40

約数和(自身を含む): 3267000

約数和(自身を除く): 1516995

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 149, 261, 405, 435, 447, 745, 783, 1305, 1341, 2235, 2349, 3915, 4023, 4321, 6705, 11745, 12069, 12963, 20115, 21605, 38889, 60345, 64815, 116667, 194445, 350001, 583335, 1750005]

約数ペア:

[(1, 1750005), (3, 583335), (5, 350001), (9, 194445), (15, 116667), (27, 64815), (29, 60345), (45, 38889), (81, 21605), (87, 20115), (135, 12963), (145, 12069), (149, 11745), (261, 6705), (405, 4321), (435, 4023), (447, 3915), (745, 2349), (783, 2235), (1305, 1341)]