221364

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 672672

約数和(自身を除く): 451308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 43, 44, 52, 66, 78, 86, 99, 117, 129, 132, 143, 156, 172, 198, 234, 258, 286, 387, 396, 429, 468, 473, 516, 559, 572, 774, 858, 946, 1118, 1287, 1419, 1548, 1677, 1716, 1892, 2236, 2574, 2838, 3354, 4257, 5031, 5148, 5676, 6149, 6708, 8514, 10062, 12298, 17028, 18447, 20124, 24596, 36894, 55341, 73788, 110682, 221364]

約数ペア:

[(1, 221364), (2, 110682), (3, 73788), (4, 55341), (6, 36894), (9, 24596), (11, 20124), (12, 18447), (13, 17028), (18, 12298), (22, 10062), (26, 8514), (33, 6708), (36, 6149), (39, 5676), (43, 5148), (44, 5031), (52, 4257), (66, 3354), (78, 2838), (86, 2574), (99, 2236), (117, 1892), (129, 1716), (132, 1677), (143, 1548), (156, 1419), (172, 1287), (198, 1118), (234, 946), (258, 858), (286, 774), (387, 572), (396, 559), (429, 516), (468, 473)]