16999875

素因数分解:

$3^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 80

約数和(自身を含む): 33523776

約数和(自身を除く): 16523901

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 73, 75, 81, 115, 125, 135, 207, 219, 225, 345, 365, 375, 405, 575, 621, 657, 675, 1035, 1095, 1125, 1679, 1725, 1825, 1863, 1971, 2025, 2875, 3105, 3285, 3375, 5037, 5175, 5475, 5913, 8395, 8625, 9125, 9315, 9855, 10125, 15111, 15525, 16425, 25185, 25875, 27375, 29565, 41975, 45333, 46575, 49275, 75555, 77625, 82125, 125925, 135999, 147825, 209875, 226665, 232875, 246375, 377775, 629625, 679995, 739125, 1133325, 1888875, 3399975, 5666625, 16999875]

約数ペア:

[(1, 16999875), (3, 5666625), (5, 3399975), (9, 1888875), (15, 1133325), (23, 739125), (25, 679995), (27, 629625), (45, 377775), (69, 246375), (73, 232875), (75, 226665), (81, 209875), (115, 147825), (125, 135999), (135, 125925), (207, 82125), (219, 77625), (225, 75555), (345, 49275), (365, 46575), (375, 45333), (405, 41975), (575, 29565), (621, 27375), (657, 25875), (675, 25185), (1035, 16425), (1095, 15525), (1125, 15111), (1679, 10125), (1725, 9855), (1825, 9315), (1863, 9125), (1971, 8625), (2025, 8395), (2875, 5913), (3105, 5475), (3285, 5175), (3375, 5037)]