28928691

素因数分解:

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

素因数の和:656

約数の個数: 32

約数和(自身を含む): 47059200

約数和(自身を除く): 18130509

約数列:

[1, 3, 9, 11, 27, 33, 99, 257, 297, 379, 771, 1137, 2313, 2827, 3411, 4169, 6939, 8481, 10233, 12507, 25443, 37521, 76329, 97403, 112563, 292209, 876627, 1071433, 2629881, 3214299, 9642897, 28928691]

約数ペア:

[(1, 28928691), (3, 9642897), (9, 3214299), (11, 2629881), (27, 1071433), (33, 876627), (99, 292209), (257, 112563), (297, 97403), (379, 76329), (771, 37521), (1137, 25443), (2313, 12507), (2827, 10233), (3411, 8481), (4169, 6939)]