38493273

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20173

約数の個数: 24

約数和(自身を含む): 64299648

約数和(自身を除く): 25806375

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20143, 60429, 141001, 261859, 423003, 785577, 987007, 1833013, 2961021, 5499039, 12831091, 38493273]

約数ペア:

[(1, 38493273), (3, 12831091), (7, 5499039), (13, 2961021), (21, 1833013), (39, 987007), (49, 785577), (91, 423003), (147, 261859), (273, 141001), (637, 60429), (1911, 20143)]