28740813

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7187}}^1$

素因数の和:7264

約数の個数: 16

約数和(自身を含む): 40482816

約数和(自身を除く): 11742003

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 7187, 21561, 222797, 309041, 668391, 927123, 9580271, 28740813]

約数ペア:

[(1, 28740813), (3, 9580271), (31, 927123), (43, 668391), (93, 309041), (129, 222797), (1333, 21561), (3999, 7187)]