28070031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1327}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 40923648

約数和(自身を除く): 12853617

約数列:

[1, 3, 11, 33, 641, 1327, 1923, 3981, 7051, 14597, 21153, 43791, 850607, 2551821, 9356677, 28070031]

約数ペア:

[(1, 28070031), (3, 9356677), (11, 2551821), (33, 850607), (641, 43791), (1327, 21153), (1923, 14597), (3981, 7051)]