28182015

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 51809472

約数和(自身を除く): 23627457

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 373, 657, 1035, 1095, 1119, 1679, 1865, 3285, 3357, 5037, 5595, 8395, 8579, 15111, 16785, 25185, 25737, 27229, 42895, 75555, 77211, 81687, 128685, 136145, 245061, 386055, 408435, 626267, 1225305, 1878801, 3131335, 5636403, 9394005, 28182015]

約数ペア:

[(1, 28182015), (3, 9394005), (5, 5636403), (9, 3131335), (15, 1878801), (23, 1225305), (45, 626267), (69, 408435), (73, 386055), (115, 245061), (207, 136145), (219, 128685), (345, 81687), (365, 77211), (373, 75555), (657, 42895), (1035, 27229), (1095, 25737), (1119, 25185), (1679, 16785), (1865, 15111), (3285, 8579), (3357, 8395), (5037, 5595)]