201991641747

素因数分解:

$3^1\times 7^2\times {\mathrm{761}}^1\times {\mathrm{1805641}}^1$

素因数の和:1806419

約数の個数: 24

約数和(自身を含む): 313705018512

約数和(自身を除く): 111713376765

約数列:

[1, 3, 7, 21, 49, 147, 761, 2283, 5327, 15981, 37289, 111867, 1805641, 5416923, 12639487, 37918461, 88476409, 265429227, 1374092801, 4122278403, 9618649607, 28855948821, 67330547249, 201991641747]

約数ペア:

[(1, 201991641747), (3, 67330547249), (7, 28855948821), (21, 9618649607), (49, 4122278403), (147, 1374092801), (761, 265429227), (2283, 88476409), (5327, 37918461), (15981, 12639487), (37289, 5416923), (111867, 1805641)]