28976733

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 42883776

約数和(自身を除く): 13907043

約数列:

[1, 3, 9, 71, 137, 213, 331, 411, 639, 993, 1233, 2979, 9727, 23501, 29181, 45347, 70503, 87543, 136041, 211509, 408123, 3219637, 9658911, 28976733]

約数ペア:

[(1, 28976733), (3, 9658911), (9, 3219637), (71, 408123), (137, 211509), (213, 136041), (331, 87543), (411, 70503), (639, 45347), (993, 29181), (1233, 23501), (2979, 9727)]