181555317

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{647}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 284083200

約数和(自身を除く): 102527883

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 547, 647, 1641, 1941, 4923, 5823, 10393, 12293, 14769, 17469, 31179, 36879, 93537, 110637, 280611, 331911, 353909, 1061727, 3185181, 6724271, 9555543, 20172813, 60518439, 181555317]

約数ペア:

[(1, 181555317), (3, 60518439), (9, 20172813), (19, 9555543), (27, 6724271), (57, 3185181), (171, 1061727), (513, 353909), (547, 331911), (647, 280611), (1641, 110637), (1941, 93537), (4923, 36879), (5823, 31179), (10393, 17469), (12293, 14769)]