66117415

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20759}}^1$

素因数の和:20791

約数の個数: 24

約数和(自身を含む): 99398880

約数和(自身を除く): 33281465

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 20759, 103795, 145313, 269867, 726565, 1017191, 1349335, 1889069, 5085955, 9445345, 13223483, 66117415]

約数ペア:

[(1, 66117415), (5, 13223483), (7, 9445345), (13, 5085955), (35, 1889069), (49, 1349335), (65, 1017191), (91, 726565), (245, 269867), (455, 145313), (637, 103795), (3185, 20759)]