166220691

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{86981}}^1$

素因数の和:87011

約数の個数: 24

約数和(自身を含む): 277646544

約数和(自身を除く): 111425853

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 86981, 260943, 608867, 1130753, 1826601, 3392259, 4262069, 7915271, 12786207, 23745813, 55406897, 166220691]

約数ペア:

[(1, 166220691), (3, 55406897), (7, 23745813), (13, 12786207), (21, 7915271), (39, 4262069), (49, 3392259), (91, 1826601), (147, 1130753), (273, 608867), (637, 260943), (1911, 86981)]