28002159

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 15082641

約数列:

[1, 3, 9, 27, 43, 89, 129, 267, 271, 387, 801, 813, 1161, 2403, 2439, 3827, 7317, 11481, 11653, 24119, 34443, 34959, 72357, 103329, 104877, 217071, 314631, 651213, 1037117, 3111351, 9334053, 28002159]

約数ペア:

[(1, 28002159), (3, 9334053), (9, 3111351), (27, 1037117), (43, 651213), (89, 314631), (129, 217071), (267, 104877), (271, 103329), (387, 72357), (801, 34959), (813, 34443), (1161, 24119), (2403, 11653), (2439, 11481), (3827, 7317)]