28140525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 61049664

約数和(自身を除く): 32909139

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 765, 1051, 1071, 1275, 1575, 1785, 2975, 3153, 3825, 5255, 5355, 7357, 8925, 9459, 15765, 17867, 22071, 26275, 26775, 36785, 47295, 53601, 66213, 78825, 89335, 110355, 125069, 160803, 183925, 236475, 268005, 331065, 375207, 446675, 551775, 625345, 804015, 1125621, 1340025, 1655325, 1876035, 3126725, 4020075, 5628105, 9380175, 28140525]

約数ペア:

[(1, 28140525), (3, 9380175), (5, 5628105), (7, 4020075), (9, 3126725), (15, 1876035), (17, 1655325), (21, 1340025), (25, 1125621), (35, 804015), (45, 625345), (51, 551775), (63, 446675), (75, 375207), (85, 331065), (105, 268005), (119, 236475), (153, 183925), (175, 160803), (225, 125069), (255, 110355), (315, 89335), (357, 78825), (425, 66213), (525, 53601), (595, 47295), (765, 36785), (1051, 26775), (1071, 26275), (1275, 22071), (1575, 17867), (1785, 15765), (2975, 9459), (3153, 8925), (3825, 7357), (5255, 5355)]