15396021

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 23760000

約数和(自身を除く): 8363979

約数列:

[1, 3, 9, 27, 43, 89, 129, 149, 267, 387, 447, 801, 1161, 1341, 2403, 3827, 4023, 6407, 11481, 13261, 19221, 34443, 39783, 57663, 103329, 119349, 172989, 358047, 570223, 1710669, 5132007, 15396021]

約数ペア:

[(1, 15396021), (3, 5132007), (9, 1710669), (27, 570223), (43, 358047), (89, 172989), (129, 119349), (149, 103329), (267, 57663), (387, 39783), (447, 34443), (801, 19221), (1161, 13261), (1341, 11481), (2403, 6407), (3827, 4023)]