210990825

素因数分解:

$3^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 417294720

約数和(自身を除く): 206303895

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 227, 243, 255, 405, 425, 459, 675, 681, 729, 765, 1135, 1215, 1275, 1377, 2025, 2043, 2187, 2295, 3405, 3645, 3825, 3859, 4131, 5675, 6075, 6129, 6885, 10215, 10935, 11475, 11577, 12393, 17025, 18225, 18387, 19295, 20655, 30645, 34425, 34731, 37179, 51075, 54675, 55161, 57885, 61965, 91935, 96475, 103275, 104193, 153225, 165483, 173655, 185895, 275805, 289425, 309825, 312579, 459675, 496449, 520965, 827415, 868275, 929475, 937737, 1379025, 1562895, 2482245, 2604825, 2813211, 4137075, 4688685, 7814475, 8439633, 12411225, 14066055, 23443425, 42198165, 70330275, 210990825]

約数ペア:

[(1, 210990825), (3, 70330275), (5, 42198165), (9, 23443425), (15, 14066055), (17, 12411225), (25, 8439633), (27, 7814475), (45, 4688685), (51, 4137075), (75, 2813211), (81, 2604825), (85, 2482245), (135, 1562895), (153, 1379025), (225, 937737), (227, 929475), (243, 868275), (255, 827415), (405, 520965), (425, 496449), (459, 459675), (675, 312579), (681, 309825), (729, 289425), (765, 275805), (1135, 185895), (1215, 173655), (1275, 165483), (1377, 153225), (2025, 104193), (2043, 103275), (2187, 96475), (2295, 91935), (3405, 61965), (3645, 57885), (3825, 55161), (3859, 54675), (4131, 51075), (5675, 37179), (6075, 34731), (6129, 34425), (6885, 30645), (10215, 20655), (10935, 19295), (11475, 18387), (11577, 18225), (12393, 17025)]