39888303

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20873}}^1$

素因数の和:20903

約数の個数: 24

約数和(自身を含む): 66629808

約数和(自身を除く): 26741505

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20873, 62619, 146111, 271349, 438333, 814047, 1022777, 1899443, 3068331, 5698329, 13296101, 39888303]

約数ペア:

[(1, 39888303), (3, 13296101), (7, 5698329), (13, 3068331), (21, 1899443), (39, 1022777), (49, 814047), (91, 438333), (147, 271349), (273, 146111), (637, 62619), (1911, 20873)]