207742899

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{108709}}^1$

素因数の和:108739

約数の個数: 24

約数和(自身を含む): 347002320

約数和(自身を除く): 139259421

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 108709, 326127, 760963, 1413217, 2282889, 4239651, 5326741, 9892519, 15980223, 29677557, 69247633, 207742899]

約数ペア:

[(1, 207742899), (3, 69247633), (7, 29677557), (13, 15980223), (21, 9892519), (39, 5326741), (49, 4239651), (91, 2282889), (147, 1413217), (273, 760963), (637, 326127), (1911, 108709)]