289730091

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53269}}^1$

素因数の和:53323

約数の個数: 24

約数和(自身を含む): 461531280

約数和(自身を除く): 171801189

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 53269, 159807, 372883, 1118649, 1970953, 2610181, 5912859, 7830543, 13796671, 41390013, 96576697, 289730091]

約数ペア:

[(1, 289730091), (3, 96576697), (7, 41390013), (21, 13796671), (37, 7830543), (49, 5912859), (111, 2610181), (147, 1970953), (259, 1118649), (777, 372883), (1813, 159807), (5439, 53269)]