2028015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 4077216

約数和(自身を除く): 2049201

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 241, 255, 495, 561, 723, 765, 935, 1205, 1683, 2169, 2651, 2805, 3615, 4097, 7953, 8415, 10845, 12291, 13255, 20485, 23859, 36873, 39765, 45067, 61455, 119295, 135201, 184365, 225335, 405603, 676005, 2028015]

約数ペア:

[(1, 2028015), (3, 676005), (5, 405603), (9, 225335), (11, 184365), (15, 135201), (17, 119295), (33, 61455), (45, 45067), (51, 39765), (55, 36873), (85, 23859), (99, 20485), (153, 13255), (165, 12291), (187, 10845), (241, 8415), (255, 7953), (495, 4097), (561, 3615), (723, 2805), (765, 2651), (935, 2169), (1205, 1683)]