87488331

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7561}}^1$

素因数の和:7619

約数の個数: 32

約数和(自身を含む): 145190400

約数和(自身を除く): 57702069

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 7561, 11571, 22683, 52927, 143659, 158781, 219269, 430977, 657807, 1005613, 1534883, 3016839, 4166111, 4604649, 12498333, 29162777, 87488331]

約数ペア:

[(1, 87488331), (3, 29162777), (7, 12498333), (19, 4604649), (21, 4166111), (29, 3016839), (57, 1534883), (87, 1005613), (133, 657807), (203, 430977), (399, 219269), (551, 158781), (609, 143659), (1653, 52927), (3857, 22683), (7561, 11571)]