280291275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 551013840

約数和(自身を除く): 270722565

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 269, 275, 421, 495, 807, 825, 1263, 1345, 2105, 2421, 2475, 2959, 3789, 4035, 4631, 6315, 6725, 8877, 10525, 12105, 13893, 14795, 18945, 20175, 23155, 26631, 31575, 41679, 44385, 60525, 69465, 73975, 94725, 113249, 115775, 133155, 208395, 221925, 339747, 347325, 566245, 665775, 1019241, 1041975, 1245739, 1698735, 2831225, 3737217, 5096205, 6228695, 8493675, 11211651, 18686085, 25481025, 31143475, 56058255, 93430425, 280291275]

約数ペア:

[(1, 280291275), (3, 93430425), (5, 56058255), (9, 31143475), (11, 25481025), (15, 18686085), (25, 11211651), (33, 8493675), (45, 6228695), (55, 5096205), (75, 3737217), (99, 2831225), (165, 1698735), (225, 1245739), (269, 1041975), (275, 1019241), (421, 665775), (495, 566245), (807, 347325), (825, 339747), (1263, 221925), (1345, 208395), (2105, 133155), (2421, 115775), (2475, 113249), (2959, 94725), (3789, 73975), (4035, 69465), (4631, 60525), (6315, 44385), (6725, 41679), (8877, 31575), (10525, 26631), (12105, 23155), (13893, 20175), (14795, 18945)]