201991215459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{17538527}}^1$

素因数の和:17538890

約数の個数: 16

約数和(自身を含む): 294647270400

約数和(自身を除く): 92656054941

約数列:

[1, 3, 11, 33, 349, 1047, 3839, 11517, 17538527, 52615581, 192923797, 578771391, 6120945923, 18362837769, 67330405153, 201991215459]

約数ペア:

[(1, 201991215459), (3, 67330405153), (11, 18362837769), (33, 6120945923), (349, 578771391), (1047, 192923797), (3839, 52615581), (11517, 17538527)]