281637

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 451360

約数和(自身を除く): 169723

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 171, 183, 243, 513, 549, 1159, 1539, 1647, 3477, 4617, 4941, 10431, 14823, 31293, 93879, 281637]

約数ペア:

[(1, 281637), (3, 93879), (9, 31293), (19, 14823), (27, 10431), (57, 4941), (61, 4617), (81, 3477), (171, 1647), (183, 1539), (243, 1159), (513, 549)]