1894509

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1262

約数の個数: 20

約数和(自身を含む): 2981440

約数和(自身を除く): 1086931

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1231, 1539, 3693, 11079, 23389, 33237, 70167, 99711, 210501, 631503, 1894509]

約数ペア:

[(1, 1894509), (3, 631503), (9, 210501), (19, 99711), (27, 70167), (57, 33237), (81, 23389), (171, 11079), (513, 3693), (1231, 1539)]