28781793

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 42962400

約数和(自身を除く): 14180607

約数列:

[1, 3, 9, 59, 67, 177, 201, 531, 603, 809, 2427, 3953, 7281, 11859, 35577, 47731, 54203, 143193, 162609, 429579, 487827, 3197977, 9593931, 28781793]

約数ペア:

[(1, 28781793), (3, 9593931), (9, 3197977), (59, 487827), (67, 429579), (177, 162609), (201, 143193), (531, 54203), (603, 47731), (809, 35577), (2427, 11859), (3953, 7281)]