28461879

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 43130880

約数和(自身を除く): 14669001

約数列:

[1, 3, 9, 23, 69, 207, 359, 383, 1077, 1149, 3231, 3447, 8257, 8809, 24771, 26427, 74313, 79281, 137497, 412491, 1237473, 3162431, 9487293, 28461879]

約数ペア:

[(1, 28461879), (3, 9487293), (9, 3162431), (23, 1237473), (69, 412491), (207, 137497), (359, 79281), (383, 74313), (1077, 26427), (1149, 24771), (3231, 8809), (3447, 8257)]