90489945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{66293}}^1$

素因数の和:66321

約数の個数: 32

約数和(自身を含む): 178198272

約数和(自身を除く): 87708327

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 66293, 198879, 331465, 464051, 861809, 994395, 1392153, 2320255, 2585427, 4309045, 6032663, 6960765, 12927135, 18097989, 30163315, 90489945]

約数ペア:

[(1, 90489945), (3, 30163315), (5, 18097989), (7, 12927135), (13, 6960765), (15, 6032663), (21, 4309045), (35, 2585427), (39, 2320255), (65, 1392153), (91, 994395), (105, 861809), (195, 464051), (273, 331465), (455, 198879), (1365, 66293)]