28145625

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 49709088

約数和(自身を除く): 21563463

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 883, 1275, 1875, 2125, 2649, 4415, 6375, 10625, 13245, 15011, 22075, 31875, 45033, 66225, 75055, 110375, 225165, 331125, 375275, 551875, 1125825, 1655625, 1876375, 5629125, 9381875, 28145625]

約数ペア:

[(1, 28145625), (3, 9381875), (5, 5629125), (15, 1876375), (17, 1655625), (25, 1125825), (51, 551875), (75, 375275), (85, 331125), (125, 225165), (255, 110375), (375, 75055), (425, 66225), (625, 45033), (883, 31875), (1275, 22075), (1875, 15011), (2125, 13245), (2649, 10625), (4415, 6375)]