12840525

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:412

約数の個数: 60

約数和(自身を含む): 25251732

約数和(自身を除く): 12411207

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 373, 405, 425, 459, 675, 765, 1119, 1275, 1377, 1865, 2025, 2295, 3357, 3825, 5595, 6341, 6885, 9325, 10071, 11475, 16785, 19023, 27975, 30213, 31705, 34425, 50355, 57069, 83925, 95115, 151065, 158525, 171207, 251775, 285345, 475575, 513621, 755325, 856035, 1426725, 2568105, 4280175, 12840525]

約数ペア:

[(1, 12840525), (3, 4280175), (5, 2568105), (9, 1426725), (15, 856035), (17, 755325), (25, 513621), (27, 475575), (45, 285345), (51, 251775), (75, 171207), (81, 158525), (85, 151065), (135, 95115), (153, 83925), (225, 57069), (255, 50355), (373, 34425), (405, 31705), (425, 30213), (459, 27975), (675, 19023), (765, 16785), (1119, 11475), (1275, 10071), (1377, 9325), (1865, 6885), (2025, 6341), (2295, 5595), (3357, 3825)]