289178841

素因数分解:

$3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 473705120

約数和(自身を除く): 184526279

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2113, 2401, 2793, 6339, 6517, 7203, 14791, 19551, 40147, 44373, 45619, 103537, 120441, 136857, 281029, 310611, 724759, 843087, 1967203, 2174277, 5073313, 5901609, 13770421, 15219939, 41311263, 96392947, 289178841]

約数ペア:

[(1, 289178841), (3, 96392947), (7, 41311263), (19, 15219939), (21, 13770421), (49, 5901609), (57, 5073313), (133, 2174277), (147, 1967203), (343, 843087), (399, 724759), (931, 310611), (1029, 281029), (2113, 136857), (2401, 120441), (2793, 103537), (6339, 45619), (6517, 44373), (7203, 40147), (14791, 19551)]