28535991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23371}}^1$

素因数の和:23422

約数の個数: 16

約数和(自身を含む): 42630528

約数和(自身を除く): 14094537

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 23371, 70113, 257081, 771243, 864727, 2594181, 9511997, 28535991]

約数ペア:

[(1, 28535991), (3, 9511997), (11, 2594181), (33, 864727), (37, 771243), (111, 257081), (407, 70113), (1221, 23371)]