205125525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 407113824

約数和(自身を除く): 201988299

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 67, 75, 99, 165, 201, 225, 275, 335, 495, 603, 737, 825, 1005, 1237, 1675, 2211, 2475, 3015, 3685, 3711, 5025, 6185, 6633, 11055, 11133, 13607, 15075, 18425, 18555, 30925, 33165, 40821, 55275, 55665, 68035, 82879, 92775, 122463, 165825, 204105, 248637, 278325, 340175, 414395, 612315, 745911, 911669, 1020525, 1243185, 2071975, 2735007, 3061575, 3729555, 4558345, 6215925, 8205021, 13675035, 18647775, 22791725, 41025105, 68375175, 205125525]

約数ペア:

[(1, 205125525), (3, 68375175), (5, 41025105), (9, 22791725), (11, 18647775), (15, 13675035), (25, 8205021), (33, 6215925), (45, 4558345), (55, 3729555), (67, 3061575), (75, 2735007), (99, 2071975), (165, 1243185), (201, 1020525), (225, 911669), (275, 745911), (335, 612315), (495, 414395), (603, 340175), (737, 278325), (825, 248637), (1005, 204105), (1237, 165825), (1675, 122463), (2211, 92775), (2475, 82879), (3015, 68035), (3685, 55665), (3711, 55275), (5025, 40821), (6185, 33165), (6633, 30925), (11055, 18555), (11133, 18425), (13607, 15075)]