87868221

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{13901}}^1$

素因数の和:13961

約数の個数: 24

約数和(自身を含む): 139464864

約数和(自身を除く): 51596643

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 13901, 41703, 97307, 291921, 597743, 681149, 1793229, 2043447, 4184201, 12552603, 29289407, 87868221]

約数ペア:

[(1, 87868221), (3, 29289407), (7, 12552603), (21, 4184201), (43, 2043447), (49, 1793229), (129, 681149), (147, 597743), (301, 291921), (903, 97307), (2107, 41703), (6321, 13901)]