28891917

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{36899}}^1$

素因数の和:36937

約数の個数: 16

約数和(自身を含む): 44280000

約数和(自身を除く): 15388083

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 36899, 110697, 332091, 996273, 1070071, 3210213, 9630639, 28891917]

約数ペア:

[(1, 28891917), (3, 9630639), (9, 3210213), (27, 1070071), (29, 996273), (87, 332091), (261, 110697), (783, 36899)]