31447107

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 47679840

約数和(自身を除く): 16232733

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1697, 2059, 5091, 6177, 15273, 18531, 49213, 120487, 147639, 361461, 442917, 1084383, 3494123, 10482369, 31447107]

約数ペア:

[(1, 31447107), (3, 10482369), (9, 3494123), (29, 1084383), (71, 442917), (87, 361461), (213, 147639), (261, 120487), (639, 49213), (1697, 18531), (2059, 15273), (5091, 6177)]