2016540981

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{820733}}^1$

素因数の和:820762

約数の個数: 32

約数和(自身を含む): 3676888320

約数和(自身を除く): 1660347339

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 820733, 2462199, 5745131, 7386597, 10669529, 17235393, 22159791, 32008587, 51706179, 74686703, 96025761, 155118537, 224060109, 288077283, 672180327, 2016540981]

約数ペア:

[(1, 2016540981), (3, 672180327), (7, 288077283), (9, 224060109), (13, 155118537), (21, 96025761), (27, 74686703), (39, 51706179), (63, 32008587), (91, 22159791), (117, 17235393), (189, 10669529), (273, 7386597), (351, 5745131), (819, 2462199), (2457, 820733)]