28724625

素因数分解:

$3^4\times 5^3\times {\mathrm{2837}}^1$

素因数の和:2864

約数の個数: 40

約数和(自身を含む): 53570088

約数和(自身を除く): 24845463

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 2837, 3375, 8511, 10125, 14185, 25533, 42555, 70925, 76599, 127665, 212775, 229797, 354625, 382995, 638325, 1063875, 1148985, 1914975, 3191625, 5744925, 9574875, 28724625]

約数ペア:

[(1, 28724625), (3, 9574875), (5, 5744925), (9, 3191625), (15, 1914975), (25, 1148985), (27, 1063875), (45, 638325), (75, 382995), (81, 354625), (125, 229797), (135, 212775), (225, 127665), (375, 76599), (405, 70925), (675, 42555), (1125, 25533), (2025, 14185), (2837, 10125), (3375, 8511)]