479987781

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251171}}^1$

素因数の和:251201

約数の個数: 24

約数和(自身を含む): 801741024

約数和(自身を除く): 321753243

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 251171, 753513, 1758197, 3265223, 5274591, 9795669, 12307379, 22856561, 36922137, 68569683, 159995927, 479987781]

約数ペア:

[(1, 479987781), (3, 159995927), (7, 68569683), (13, 36922137), (21, 22856561), (39, 12307379), (49, 9795669), (91, 5274591), (147, 3265223), (273, 1758197), (637, 753513), (1911, 251171)]