1287775503

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{42853}}^1$

素因数の和:42925

約数の個数: 40

約数和(自身を含む): 2240064288

約数和(自身を除く): 952288785

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 3339, 4293, 10017, 30051, 42853, 128559, 299971, 385677, 899913, 1157031, 2271209, 2699739, 3471093, 6813627, 8099217, 15898463, 20440881, 24297651, 47695389, 61322643, 143086167, 183967929, 429258501, 1287775503]

約数ペア:

[(1, 1287775503), (3, 429258501), (7, 183967929), (9, 143086167), (21, 61322643), (27, 47695389), (53, 24297651), (63, 20440881), (81, 15898463), (159, 8099217), (189, 6813627), (371, 3471093), (477, 2699739), (567, 2271209), (1113, 1157031), (1431, 899913), (3339, 385677), (4293, 299971), (10017, 128559), (30051, 42853)]