221568867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 362875968

約数和(自身を除く): 141307101

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 137, 207, 299, 411, 601, 897, 1233, 1781, 1803, 2691, 3151, 5343, 5409, 7813, 9453, 13823, 16029, 23439, 28359, 40963, 41469, 70317, 82337, 122889, 124407, 179699, 247011, 368667, 539097, 741033, 1070381, 1617291, 1893751, 3211143, 5681253, 9633429, 17043759, 24618763, 73856289, 221568867]

約数ペア:

[(1, 221568867), (3, 73856289), (9, 24618763), (13, 17043759), (23, 9633429), (39, 5681253), (69, 3211143), (117, 1893751), (137, 1617291), (207, 1070381), (299, 741033), (411, 539097), (601, 368667), (897, 247011), (1233, 179699), (1781, 124407), (1803, 122889), (2691, 82337), (3151, 70317), (5343, 41469), (5409, 40963), (7813, 28359), (9453, 23439), (13823, 16029)]