28789893

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{26437}}^1$

素因数の和:26465

約数の個数: 18

約数和(自身を含む): 45711302

約数和(自身を除く): 16921409

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 26437, 79311, 237933, 290807, 872421, 2617263, 3198877, 9596631, 28789893]

約数ペア:

[(1, 28789893), (3, 9596631), (9, 3198877), (11, 2617263), (33, 872421), (99, 290807), (121, 237933), (363, 79311), (1089, 26437)]