9781788339

素因数分解:

$3^8\times {\mathrm{1490899}}^1$

素因数の和:1490923

約数の個数: 18

約数和(自身を含む): 14671946900

約数和(自身を除く): 4890158561

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 1490899, 4472697, 13418091, 40254273, 120762819, 362288457, 1086865371, 3260596113, 9781788339]

約数ペア:

[(1, 9781788339), (3, 3260596113), (9, 1086865371), (27, 362288457), (81, 120762819), (243, 40254273), (729, 13418091), (2187, 4472697), (6561, 1490899)]