778804551

素因数分解:

$3^6\times 7^1\times {\mathrm{152617}}^1$

素因数の和:152642

約数の個数: 28

約数和(自身を含む): 1334491792

約数和(自身を除く): 555687241

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 152617, 457851, 1068319, 1373553, 3204957, 4120659, 9614871, 12361977, 28844613, 37085931, 86533839, 111257793, 259601517, 778804551]

約数ペア:

[(1, 778804551), (3, 259601517), (7, 111257793), (9, 86533839), (21, 37085931), (27, 28844613), (63, 12361977), (81, 9614871), (189, 4120659), (243, 3204957), (567, 1373553), (729, 1068319), (1701, 457851), (5103, 152617)]