228215229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 338826240

約数和(自身を除く): 110611011

約数列:

[1, 3, 11, 33, 71, 213, 257, 379, 771, 781, 1137, 2343, 2827, 4169, 8481, 12507, 18247, 26909, 54741, 80727, 97403, 200717, 292209, 295999, 602151, 887997, 1071433, 3214299, 6915613, 20746839, 76071743, 228215229]

約数ペア:

[(1, 228215229), (3, 76071743), (11, 20746839), (33, 6915613), (71, 3214299), (213, 1071433), (257, 887997), (379, 602151), (771, 295999), (781, 292209), (1137, 200717), (2343, 97403), (2827, 80727), (4169, 54741), (8481, 26909), (12507, 18247)]