30806721

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28289}}^1$

素因数の和:28317

約数の個数: 18

約数和(自身を含む): 48913410

約数和(自身を除く): 18106689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28289, 84867, 254601, 311179, 933537, 2800611, 3422969, 10268907, 30806721]

約数ペア:

[(1, 30806721), (3, 10268907), (9, 3422969), (11, 2800611), (33, 933537), (99, 311179), (121, 254601), (363, 84867), (1089, 28289)]