15693518745

素因数分解:

$3^4\times 5^1\times {\mathrm{38749429}}^1$

素因数の和:38749446

約数の個数: 20

約数和(自身を含む): 28132086180

約数和(自身を除く): 12438567435

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 38749429, 116248287, 193747145, 348744861, 581241435, 1046234583, 1743724305, 3138703749, 5231172915, 15693518745]

約数ペア:

[(1, 15693518745), (3, 5231172915), (5, 3138703749), (9, 1743724305), (15, 1046234583), (27, 581241435), (45, 348744861), (81, 193747145), (135, 116248287), (405, 38749429)]