28240245

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2113}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 55403712

約数和(自身を除く): 27163467

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1485, 2113, 2673, 4455, 6339, 10565, 13365, 19017, 23243, 31695, 57051, 69729, 95085, 116215, 171153, 209187, 285255, 348645, 513459, 627561, 855765, 1045935, 1882683, 2567295, 3137805, 5648049, 9413415, 28240245]

約数ペア:

[(1, 28240245), (3, 9413415), (5, 5648049), (9, 3137805), (11, 2567295), (15, 1882683), (27, 1045935), (33, 855765), (45, 627561), (55, 513459), (81, 348645), (99, 285255), (135, 209187), (165, 171153), (243, 116215), (297, 95085), (405, 69729), (495, 57051), (891, 31695), (1215, 23243), (1485, 19017), (2113, 13365), (2673, 10565), (4455, 6339)]