31427577

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 50817780

約数和(自身を除く): 19390203

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 361, 569, 969, 1083, 1707, 2907, 3249, 5121, 6137, 9673, 10811, 18411, 29019, 32433, 55233, 87057, 97299, 183787, 205409, 551361, 616227, 1654083, 1848681, 3491953, 10475859, 31427577]

約数ペア:

[(1, 31427577), (3, 10475859), (9, 3491953), (17, 1848681), (19, 1654083), (51, 616227), (57, 551361), (153, 205409), (171, 183787), (323, 97299), (361, 87057), (569, 55233), (969, 32433), (1083, 29019), (1707, 18411), (2907, 10811), (3249, 9673), (5121, 6137)]