66291519

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 103832064

約数和(自身を除く): 37540545

約数列:

[1, 3, 7, 21, 73, 83, 219, 249, 511, 521, 581, 1533, 1563, 1743, 3647, 6059, 10941, 18177, 38033, 42413, 43243, 114099, 127239, 129729, 266231, 302701, 798693, 908103, 3156739, 9470217, 22097173, 66291519]

約数ペア:

[(1, 66291519), (3, 22097173), (7, 9470217), (21, 3156739), (73, 908103), (83, 798693), (219, 302701), (249, 266231), (511, 129729), (521, 127239), (581, 114099), (1533, 43243), (1563, 42413), (1743, 38033), (3647, 18177), (6059, 10941)]