648889191

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{2293}}^1$

素因数の和:2572

約数の個数: 32

約数和(自身を含む): 986603520

約数和(自身を除く): 337714329

約数列:

[1, 3, 9, 27, 47, 141, 223, 423, 669, 1269, 2007, 2293, 6021, 6879, 10481, 20637, 31443, 61911, 94329, 107771, 282987, 323313, 511339, 969939, 1534017, 2909817, 4602051, 13806153, 24032933, 72098799, 216296397, 648889191]

約数ペア:

[(1, 648889191), (3, 216296397), (9, 72098799), (27, 24032933), (47, 13806153), (141, 4602051), (223, 2909817), (423, 1534017), (669, 969939), (1269, 511339), (2007, 323313), (2293, 282987), (6021, 107771), (6879, 94329), (10481, 61911), (20637, 31443)]