1853502021

素因数分解:

$3^4\times 7^1\times {\mathrm{3268963}}^1$

素因数の和:3268982

約数の個数: 20

約数和(自身を含む): 3164357152

約数和(自身を除く): 1310855131

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3268963, 9806889, 22882741, 29420667, 68648223, 88262001, 205944669, 264786003, 617834007, 1853502021]

約数ペア:

[(1, 1853502021), (3, 617834007), (7, 264786003), (9, 205944669), (21, 88262001), (27, 68648223), (63, 29420667), (81, 22882741), (189, 9806889), (567, 3268963)]