81054765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 154028160

約数和(自身を除く): 72973395

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 373, 439, 495, 1119, 1317, 1865, 2195, 3357, 3951, 4103, 4829, 5595, 6585, 12309, 14487, 16785, 19755, 20515, 24145, 36927, 43461, 61545, 72435, 163747, 184635, 217305, 491241, 818735, 1473723, 1801217, 2456205, 5403651, 7368615, 9006085, 16210953, 27018255, 81054765]

約数ペア:

[(1, 81054765), (3, 27018255), (5, 16210953), (9, 9006085), (11, 7368615), (15, 5403651), (33, 2456205), (45, 1801217), (55, 1473723), (99, 818735), (165, 491241), (373, 217305), (439, 184635), (495, 163747), (1119, 72435), (1317, 61545), (1865, 43461), (2195, 36927), (3357, 24145), (3951, 20515), (4103, 19755), (4829, 16785), (5595, 14487), (6585, 12309)]