72280161

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{140897}}^1$

素因数の和:140925

約数の個数: 16

約数和(自身を含む): 112718400

約数和(自身を除く): 40438239

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 140897, 422691, 1268073, 2677043, 3804219, 8031129, 24093387, 72280161]

約数ペア:

[(1, 72280161), (3, 24093387), (9, 8031129), (19, 3804219), (27, 2677043), (57, 1268073), (171, 422691), (513, 140897)]