13120947

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 22778976

約数和(自身を除く): 9658029

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 317, 511, 567, 657, 951, 1533, 1971, 2219, 2853, 4599, 5913, 6657, 8559, 13797, 19971, 23141, 25677, 41391, 59913, 69423, 161987, 179739, 208269, 485961, 624807, 1457883, 1874421, 4373649, 13120947]

約数ペア:

[(1, 13120947), (3, 4373649), (7, 1874421), (9, 1457883), (21, 624807), (27, 485961), (63, 208269), (73, 179739), (81, 161987), (189, 69423), (219, 59913), (317, 41391), (511, 25677), (567, 23141), (657, 19971), (951, 13797), (1533, 8559), (1971, 6657), (2219, 5913), (2853, 4599)]