28379997

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{6961}}^1$

素因数の和:7121

約数の個数: 16

約数和(自身を含む): 42328960

約数和(自身を除く): 13948963

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 6961, 20883, 62649, 187947, 1051111, 3153333, 9459999, 28379997]

約数ペア:

[(1, 28379997), (3, 9459999), (9, 3153333), (27, 1051111), (151, 187947), (453, 62649), (1359, 20883), (4077, 6961)]