28088325

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4074

約数の個数: 36

約数和(自身を含む): 51945088

約数和(自身を除く): 23856763

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 4027, 6975, 12081, 20135, 36243, 60405, 100675, 124837, 181215, 302025, 374511, 624185, 906075, 1123533, 1872555, 3120925, 5617665, 9362775, 28088325]

約数ペア:

[(1, 28088325), (3, 9362775), (5, 5617665), (9, 3120925), (15, 1872555), (25, 1123533), (31, 906075), (45, 624185), (75, 374511), (93, 302025), (155, 181215), (225, 124837), (279, 100675), (465, 60405), (775, 36243), (1395, 20135), (2325, 12081), (4027, 6975)]