28974375

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 57356640

約数和(自身を除く): 28382265

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 101, 125, 135, 153, 225, 255, 303, 375, 425, 459, 505, 625, 675, 765, 909, 1125, 1275, 1515, 1717, 1875, 2125, 2295, 2525, 2727, 3375, 3825, 4545, 5151, 5625, 6375, 7575, 8585, 10625, 11475, 12625, 13635, 15453, 16875, 19125, 22725, 25755, 31875, 37875, 42925, 46359, 57375, 63125, 68175, 77265, 95625, 113625, 128775, 189375, 214625, 231795, 286875, 340875, 386325, 568125, 643875, 1073125, 1158975, 1704375, 1931625, 3219375, 5794875, 9658125, 28974375]

約数ペア:

[(1, 28974375), (3, 9658125), (5, 5794875), (9, 3219375), (15, 1931625), (17, 1704375), (25, 1158975), (27, 1073125), (45, 643875), (51, 568125), (75, 386325), (85, 340875), (101, 286875), (125, 231795), (135, 214625), (153, 189375), (225, 128775), (255, 113625), (303, 95625), (375, 77265), (425, 68175), (459, 63125), (505, 57375), (625, 46359), (675, 42925), (765, 37875), (909, 31875), (1125, 25755), (1275, 22725), (1515, 19125), (1717, 16875), (1875, 15453), (2125, 13635), (2295, 12625), (2525, 11475), (2727, 10625), (3375, 8585), (3825, 7575), (4545, 6375), (5151, 5625)]