918199719

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{11257}}^1$

素因数の和:11341

約数の個数: 40

約数和(自身を含む): 1471195440

約数和(自身を除く): 552995721

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 477, 513, 1007, 1431, 1539, 3021, 4293, 9063, 11257, 27189, 33771, 81567, 101313, 213883, 303939, 596621, 641649, 911817, 1789863, 1924947, 5369589, 5774841, 11335799, 16108767, 17324523, 34007397, 48326301, 102022191, 306066573, 918199719]

約数ペア:

[(1, 918199719), (3, 306066573), (9, 102022191), (19, 48326301), (27, 34007397), (53, 17324523), (57, 16108767), (81, 11335799), (159, 5774841), (171, 5369589), (477, 1924947), (513, 1789863), (1007, 911817), (1431, 641649), (1539, 596621), (3021, 303939), (4293, 213883), (9063, 101313), (11257, 81567), (27189, 33771)]