28901679

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 13434321

約数列:

[1, 3, 19, 41, 57, 83, 123, 149, 249, 447, 779, 1577, 2337, 2831, 3403, 4731, 6109, 8493, 10209, 12367, 18327, 37101, 64657, 116071, 193971, 234973, 348213, 507047, 704919, 1521141, 9633893, 28901679]

約数ペア:

[(1, 28901679), (3, 9633893), (19, 1521141), (41, 704919), (57, 507047), (83, 348213), (123, 234973), (149, 193971), (249, 116071), (447, 64657), (779, 37101), (1577, 18327), (2337, 12367), (2831, 10209), (3403, 8493), (4731, 6109)]