16939125

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{239}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 36241920

約数和(自身を除く): 19302795

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 125, 135, 175, 189, 225, 239, 315, 375, 405, 525, 567, 675, 717, 875, 945, 1125, 1195, 1575, 1673, 2025, 2151, 2625, 2835, 3375, 3585, 4725, 5019, 5975, 6453, 7875, 8365, 10125, 10755, 14175, 15057, 17925, 19359, 23625, 25095, 29875, 32265, 41825, 45171, 53775, 70875, 75285, 89625, 96795, 125475, 135513, 161325, 209125, 225855, 268875, 376425, 483975, 627375, 677565, 806625, 1129275, 1882125, 2419875, 3387825, 5646375, 16939125]

約数ペア:

[(1, 16939125), (3, 5646375), (5, 3387825), (7, 2419875), (9, 1882125), (15, 1129275), (21, 806625), (25, 677565), (27, 627375), (35, 483975), (45, 376425), (63, 268875), (75, 225855), (81, 209125), (105, 161325), (125, 135513), (135, 125475), (175, 96795), (189, 89625), (225, 75285), (239, 70875), (315, 53775), (375, 45171), (405, 41825), (525, 32265), (567, 29875), (675, 25095), (717, 23625), (875, 19359), (945, 17925), (1125, 15057), (1195, 14175), (1575, 10755), (1673, 10125), (2025, 8365), (2151, 7875), (2625, 6453), (2835, 5975), (3375, 5019), (3585, 4725)]