28727787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1321}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 41880960

約数和(自身を除く): 13153173

約数列:

[1, 3, 11, 33, 659, 1321, 1977, 3963, 7249, 14531, 21747, 43593, 870539, 2611617, 9575929, 28727787]

約数ペア:

[(1, 28727787), (3, 9575929), (11, 2611617), (33, 870539), (659, 43593), (1321, 21747), (1977, 14531), (3963, 7249)]