87868977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1153}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 141803520

約数和(自身を除く): 53934543

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 399, 573, 1153, 1337, 3459, 3629, 4011, 8071, 10887, 21907, 24213, 25403, 65721, 76209, 153349, 220223, 460047, 660669, 1541561, 4184237, 4624683, 12552711, 29289659, 87868977]

約数ペア:

[(1, 87868977), (3, 29289659), (7, 12552711), (19, 4624683), (21, 4184237), (57, 1541561), (133, 660669), (191, 460047), (399, 220223), (573, 153349), (1153, 76209), (1337, 65721), (3459, 25403), (3629, 24213), (4011, 21907), (8071, 10887)]