5250015

素因数分解:

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

素因数の和:198

約数の個数: 48

約数和(自身を含む): 9828000

約数和(自身を除く): 4577985

約数列:

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

約数ペア:

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