16686945

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 34318080

約数和(自身を除く): 17631135

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 661, 765, 935, 1485, 1683, 1983, 2295, 2805, 3305, 5049, 5949, 7271, 8415, 9915, 11237, 17847, 21813, 25245, 29745, 33711, 36355, 56185, 65439, 89235, 101133, 109065, 123607, 168555, 196317, 303399, 327195, 370821, 505665, 618035, 981585, 1112463, 1516995, 1854105, 3337389, 5562315, 16686945]

約数ペア:

[(1, 16686945), (3, 5562315), (5, 3337389), (9, 1854105), (11, 1516995), (15, 1112463), (17, 981585), (27, 618035), (33, 505665), (45, 370821), (51, 327195), (55, 303399), (85, 196317), (99, 168555), (135, 123607), (153, 109065), (165, 101133), (187, 89235), (255, 65439), (297, 56185), (459, 36355), (495, 33711), (561, 29745), (661, 25245), (765, 21813), (935, 17847), (1485, 11237), (1683, 9915), (1983, 8415), (2295, 7271), (2805, 5949), (3305, 5049)]