28902291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23671}}^1$

素因数の和:23722

約数の個数: 16

約数和(自身を含む): 43177728

約数和(自身を除く): 14275437

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 23671, 71013, 260381, 781143, 875827, 2627481, 9634097, 28902291]

約数ペア:

[(1, 28902291), (3, 9634097), (11, 2627481), (33, 875827), (37, 781143), (111, 260381), (407, 71013), (1221, 23671)]