983421

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 28

約数和(自身を含む): 1573920

約数和(自身を除く): 590499

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 243, 513, 639, 729, 1349, 1539, 1917, 4047, 4617, 5751, 12141, 13851, 17253, 36423, 51759, 109269, 327807, 983421]

約数ペア:

[(1, 983421), (3, 327807), (9, 109269), (19, 51759), (27, 36423), (57, 17253), (71, 13851), (81, 12141), (171, 5751), (213, 4617), (243, 4047), (513, 1917), (639, 1539), (729, 1349)]