85131891

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:735

約数の個数: 42

約数和(自身を含む): 138413148

約数和(自身を除く): 53281257

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 243, 351, 507, 691, 729, 1053, 1521, 2073, 3159, 4563, 6219, 8983, 9477, 13689, 18657, 26949, 41067, 55971, 80847, 116779, 123201, 167913, 242541, 350337, 503739, 727623, 1051011, 2182869, 3153033, 6548607, 9459099, 28377297, 85131891]

約数ペア:

[(1, 85131891), (3, 28377297), (9, 9459099), (13, 6548607), (27, 3153033), (39, 2182869), (81, 1051011), (117, 727623), (169, 503739), (243, 350337), (351, 242541), (507, 167913), (691, 123201), (729, 116779), (1053, 80847), (1521, 55971), (2073, 41067), (3159, 26949), (4563, 18657), (6219, 13689), (8983, 9477)]