90120009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 153280512

約数和(自身を除く): 63160503

約数列:

[1, 3, 7, 17, 21, 41, 47, 51, 119, 123, 131, 141, 287, 329, 357, 393, 697, 799, 861, 917, 987, 1927, 2091, 2227, 2397, 2751, 4879, 5371, 5593, 5781, 6157, 6681, 13489, 14637, 15589, 16113, 16779, 18471, 32759, 37597, 40467, 43099, 46767, 91307, 98277, 104669, 112791, 129297, 229313, 252437, 273921, 314007, 639149, 687939, 732683, 757311, 1767059, 1917447, 2198049, 4291429, 5301177, 12874287, 30040003, 90120009]

約数ペア:

[(1, 90120009), (3, 30040003), (7, 12874287), (17, 5301177), (21, 4291429), (41, 2198049), (47, 1917447), (51, 1767059), (119, 757311), (123, 732683), (131, 687939), (141, 639149), (287, 314007), (329, 273921), (357, 252437), (393, 229313), (697, 129297), (799, 112791), (861, 104669), (917, 98277), (987, 91307), (1927, 46767), (2091, 43099), (2227, 40467), (2397, 37597), (2751, 32759), (4879, 18471), (5371, 16779), (5593, 16113), (5781, 15589), (6157, 14637), (6681, 13489)]