28043235

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 53490528

約数和(自身を除く): 25447293

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 181, 313, 495, 543, 905, 939, 1565, 1629, 1991, 2715, 2817, 3443, 4695, 5973, 8145, 9955, 10329, 14085, 17215, 17919, 29865, 30987, 51645, 56653, 89595, 154935, 169959, 283265, 509877, 623183, 849795, 1869549, 2549385, 3115915, 5608647, 9347745, 28043235]

約数ペア:

[(1, 28043235), (3, 9347745), (5, 5608647), (9, 3115915), (11, 2549385), (15, 1869549), (33, 849795), (45, 623183), (55, 509877), (99, 283265), (165, 169959), (181, 154935), (313, 89595), (495, 56653), (543, 51645), (905, 30987), (939, 29865), (1565, 17919), (1629, 17215), (1991, 14085), (2715, 10329), (2817, 9955), (3443, 8145), (4695, 5973)]