72948519

素因数分解:

$3^4\times 7^1\times {\mathrm{128657}}^1$

素因数の和:128676

約数の個数: 20

約数和(自身を含む): 124540944

約数和(自身を除く): 51592425

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 128657, 385971, 900599, 1157913, 2701797, 3473739, 8105391, 10421217, 24316173, 72948519]

約数ペア:

[(1, 72948519), (3, 24316173), (7, 10421217), (9, 8105391), (21, 3473739), (27, 2701797), (63, 1157913), (81, 900599), (189, 385971), (567, 128657)]