407788197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 589400064

約数和(自身を除く): 181611867

約数列:

[1, 3, 17, 51, 67, 131, 201, 393, 911, 1139, 2227, 2733, 3417, 6681, 8777, 15487, 26331, 46461, 61037, 119341, 149209, 183111, 358023, 447627, 1037629, 2028797, 3112887, 6086391, 7995847, 23987541, 135929399, 407788197]

約数ペア:

[(1, 407788197), (3, 135929399), (17, 23987541), (51, 7995847), (67, 6086391), (131, 3112887), (201, 2028797), (393, 1037629), (911, 447627), (1139, 358023), (2227, 183111), (2733, 149209), (3417, 119341), (6681, 61037), (8777, 46461), (15487, 26331)]