28318587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 14812293

約数列:

[1, 3, 11, 29, 33, 87, 127, 233, 319, 381, 699, 957, 1397, 2563, 3683, 4191, 6757, 7689, 11049, 20271, 29591, 40513, 74327, 88773, 121539, 222981, 325501, 858139, 976503, 2574417, 9439529, 28318587]

約数ペア:

[(1, 28318587), (3, 9439529), (11, 2574417), (29, 976503), (33, 858139), (87, 325501), (127, 222981), (233, 121539), (319, 88773), (381, 74327), (699, 40513), (957, 29591), (1397, 20271), (2563, 11049), (3683, 7689), (4191, 6757)]