17721000909

素因数分解:

$3^4\times {\mathrm{6977}}^1\times {\mathrm{31357}}^1$

素因数の和:38346

約数の個数: 20

約数和(自身を含む): 26476751004

約数和(自身を除く): 8755750095

約数列:

[1, 3, 9, 27, 81, 6977, 20931, 31357, 62793, 94071, 188379, 282213, 565137, 846639, 2539917, 218777789, 656333367, 1969000101, 5907000303, 17721000909]

約数ペア:

[(1, 17721000909), (3, 5907000303), (9, 1969000101), (27, 656333367), (81, 218777789), (6977, 2539917), (20931, 846639), (31357, 565137), (62793, 282213), (94071, 188379)]