248866551

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{15901}}^1$

素因数の和:15991

約数の個数: 24

約数和(自身を含む): 377068224

約数和(自身を除く): 128201673

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 5217, 15651, 15901, 47703, 143109, 588337, 747347, 1765011, 2242041, 5295033, 6726123, 27651839, 82955517, 248866551]

約数ペア:

[(1, 248866551), (3, 82955517), (9, 27651839), (37, 6726123), (47, 5295033), (111, 2242041), (141, 1765011), (333, 747347), (423, 588337), (1739, 143109), (5217, 47703), (15651, 15901)]