28274805

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16111}}^1$

素因数の和:16138

約数の個数: 32

約数和(自身を含む): 54136320

約数和(自身を除く): 25861515

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16111, 48333, 80555, 144999, 209443, 241665, 434997, 628329, 724995, 1047215, 1884987, 2174985, 3141645, 5654961, 9424935, 28274805]

約数ペア:

[(1, 28274805), (3, 9424935), (5, 5654961), (9, 3141645), (13, 2174985), (15, 1884987), (27, 1047215), (39, 724995), (45, 628329), (65, 434997), (117, 241665), (135, 209443), (195, 144999), (351, 80555), (585, 48333), (1755, 16111)]