1651671

素因数分解:

$3^5\times 7^1\times {\mathrm{971}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 2830464

約数和(自身を除く): 1178793

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 971, 1701, 2913, 6797, 8739, 20391, 26217, 61173, 78651, 183519, 235953, 550557, 1651671]

約数ペア:

[(1, 1651671), (3, 550557), (7, 235953), (9, 183519), (21, 78651), (27, 61173), (63, 26217), (81, 20391), (189, 8739), (243, 6797), (567, 2913), (971, 1701)]