945558145

素因数分解:

$5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{19997}}^1$

素因数の和:20209

約数の個数: 24

約数和(自身を含む): 1326827304

約数和(自身を除く): 381269159

約数列:

[1, 5, 7, 35, 49, 193, 245, 965, 1351, 6755, 9457, 19997, 47285, 99985, 139979, 699895, 979853, 3859421, 4899265, 19297105, 27015947, 135079735, 189111629, 945558145]

約数ペア:

[(1, 945558145), (5, 189111629), (7, 135079735), (35, 27015947), (49, 19297105), (193, 4899265), (245, 3859421), (965, 979853), (1351, 699895), (6755, 139979), (9457, 99985), (19997, 47285)]