391644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 1153152

約数和(自身を除く): 761508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 43, 44, 46, 66, 69, 86, 92, 99, 129, 132, 138, 172, 198, 207, 253, 258, 276, 387, 396, 414, 473, 506, 516, 759, 774, 828, 946, 989, 1012, 1419, 1518, 1548, 1892, 1978, 2277, 2838, 2967, 3036, 3956, 4257, 4554, 5676, 5934, 8514, 8901, 9108, 10879, 11868, 17028, 17802, 21758, 32637, 35604, 43516, 65274, 97911, 130548, 195822, 391644]

約数ペア:

[(1, 391644), (2, 195822), (3, 130548), (4, 97911), (6, 65274), (9, 43516), (11, 35604), (12, 32637), (18, 21758), (22, 17802), (23, 17028), (33, 11868), (36, 10879), (43, 9108), (44, 8901), (46, 8514), (66, 5934), (69, 5676), (86, 4554), (92, 4257), (99, 3956), (129, 3036), (132, 2967), (138, 2838), (172, 2277), (198, 1978), (207, 1892), (253, 1548), (258, 1518), (276, 1419), (387, 1012), (396, 989), (414, 946), (473, 828), (506, 774), (516, 759)]