287487225

素因数分解:

$3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 548853760

約数和(自身を除く): 261366535

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 243, 333, 405, 555, 675, 925, 999, 1215, 1279, 1665, 2025, 2775, 2997, 3837, 4995, 6075, 6395, 8325, 8991, 11511, 14985, 19185, 24975, 31975, 34533, 44955, 47323, 57555, 74925, 95925, 103599, 141969, 172665, 224775, 236615, 287775, 310797, 425907, 517995, 709845, 863325, 1183075, 1277721, 1553985, 2129535, 2589975, 3549225, 3833163, 6388605, 7769925, 10647675, 11499489, 19165815, 31943025, 57497445, 95829075, 287487225]

約数ペア:

[(1, 287487225), (3, 95829075), (5, 57497445), (9, 31943025), (15, 19165815), (25, 11499489), (27, 10647675), (37, 7769925), (45, 6388605), (75, 3833163), (81, 3549225), (111, 2589975), (135, 2129535), (185, 1553985), (225, 1277721), (243, 1183075), (333, 863325), (405, 709845), (555, 517995), (675, 425907), (925, 310797), (999, 287775), (1215, 236615), (1279, 224775), (1665, 172665), (2025, 141969), (2775, 103599), (2997, 95925), (3837, 74925), (4995, 57555), (6075, 47323), (6395, 44955), (8325, 34533), (8991, 31975), (11511, 24975), (14985, 19185)]