12220875

素因数分解:

$3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 24463296

約数和(自身を除く): 12242421

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 71, 75, 81, 85, 125, 135, 153, 213, 225, 255, 355, 375, 405, 425, 459, 639, 675, 765, 1065, 1125, 1207, 1275, 1377, 1775, 1917, 2025, 2125, 2295, 3195, 3375, 3621, 3825, 5325, 5751, 6035, 6375, 6885, 8875, 9585, 10125, 10863, 11475, 15975, 18105, 19125, 26625, 28755, 30175, 32589, 34425, 47925, 54315, 57375, 79875, 90525, 97767, 143775, 150875, 162945, 172125, 239625, 271575, 452625, 488835, 718875, 814725, 1357875, 2444175, 4073625, 12220875]

約数ペア:

[(1, 12220875), (3, 4073625), (5, 2444175), (9, 1357875), (15, 814725), (17, 718875), (25, 488835), (27, 452625), (45, 271575), (51, 239625), (71, 172125), (75, 162945), (81, 150875), (85, 143775), (125, 97767), (135, 90525), (153, 79875), (213, 57375), (225, 54315), (255, 47925), (355, 34425), (375, 32589), (405, 30175), (425, 28755), (459, 26625), (639, 19125), (675, 18105), (765, 15975), (1065, 11475), (1125, 10863), (1207, 10125), (1275, 9585), (1377, 8875), (1775, 6885), (1917, 6375), (2025, 6035), (2125, 5751), (2295, 5325), (3195, 3825), (3375, 3621)]