28827975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 52746624

約数和(自身を除く): 23918649

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 83, 165, 249, 275, 415, 421, 825, 913, 1245, 1263, 2075, 2105, 2739, 4565, 4631, 6225, 6315, 10525, 13695, 13893, 22825, 23155, 31575, 34943, 68475, 69465, 104829, 115775, 174715, 347325, 384373, 524145, 873575, 1153119, 1921865, 2620725, 5765595, 9609325, 28827975]

約数ペア:

[(1, 28827975), (3, 9609325), (5, 5765595), (11, 2620725), (15, 1921865), (25, 1153119), (33, 873575), (55, 524145), (75, 384373), (83, 347325), (165, 174715), (249, 115775), (275, 104829), (415, 69465), (421, 68475), (825, 34943), (913, 31575), (1245, 23155), (1263, 22825), (2075, 13893), (2105, 13695), (2739, 10525), (4565, 6315), (4631, 6225)]