15890693

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 20815872

約数和(自身を除く): 4925179

約数列:

[1, 7, 13, 31, 43, 91, 131, 217, 301, 403, 559, 917, 1333, 1703, 2821, 3913, 4061, 5633, 9331, 11921, 17329, 28427, 39431, 52793, 73229, 121303, 174623, 369551, 512603, 1222361, 2270099, 15890693]

約数ペア:

[(1, 15890693), (7, 2270099), (13, 1222361), (31, 512603), (43, 369551), (91, 174623), (131, 121303), (217, 73229), (301, 52793), (403, 39431), (559, 28427), (917, 17329), (1333, 11921), (1703, 9331), (2821, 5633), (3913, 4061)]