2051258505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{12433}}^1$

素因数の和:13105

約数の個数: 32

約数和(自身を含む): 3480724224

約数和(自身を除く): 1429465719

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 647, 1941, 3235, 9705, 10999, 12433, 32997, 37299, 54995, 62165, 164985, 186495, 211361, 634083, 1056805, 3170415, 8044151, 24132453, 40220755, 120662265, 136750567, 410251701, 683752835, 2051258505]

約数ペア:

[(1, 2051258505), (3, 683752835), (5, 410251701), (15, 136750567), (17, 120662265), (51, 40220755), (85, 24132453), (255, 8044151), (647, 3170415), (1941, 1056805), (3235, 634083), (9705, 211361), (10999, 186495), (12433, 164985), (32997, 62165), (37299, 54995)]