505513275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{761}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 887809248

約数和(自身を除く): 382295973

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 521, 761, 1275, 1563, 2283, 2605, 3805, 7815, 8857, 11415, 12937, 13025, 19025, 26571, 38811, 39075, 44285, 57075, 64685, 132855, 194055, 221425, 323425, 396481, 664275, 970275, 1189443, 1982405, 5947215, 6740177, 9912025, 20220531, 29736075, 33700885, 101102655, 168504425, 505513275]

約数ペア:

[(1, 505513275), (3, 168504425), (5, 101102655), (15, 33700885), (17, 29736075), (25, 20220531), (51, 9912025), (75, 6740177), (85, 5947215), (255, 1982405), (425, 1189443), (521, 970275), (761, 664275), (1275, 396481), (1563, 323425), (2283, 221425), (2605, 194055), (3805, 132855), (7815, 64685), (8857, 57075), (11415, 44285), (12937, 39075), (13025, 38811), (19025, 26571)]