201740216517

素因数分解:

$3^4\times 7^1\times {\mathrm{355802851}}^1$

素因数の和:355802870

約数の個数: 20

約数和(自身を含む): 344417160736

約数和(自身を除く): 142676944219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355802851, 1067408553, 2490619957, 3202225659, 7471859871, 9606676977, 22415579613, 28820030931, 67246738839, 201740216517]

約数ペア:

[(1, 201740216517), (3, 67246738839), (7, 28820030931), (9, 22415579613), (21, 9606676977), (27, 7471859871), (63, 3202225659), (81, 2490619957), (189, 1067408553), (567, 355802851)]