87880863

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{13903}}^1$

素因数の和:13963

約数の個数: 24

約数和(自身を含む): 139484928

約数和(自身を除く): 51604065

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 13903, 41709, 97321, 291963, 597829, 681247, 1793487, 2043741, 4184803, 12554409, 29293621, 87880863]

約数ペア:

[(1, 87880863), (3, 29293621), (7, 12554409), (21, 4184803), (43, 2043741), (49, 1793487), (129, 681247), (147, 597829), (301, 291963), (903, 97321), (2107, 41709), (6321, 13903)]