857285

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 1228920

約数和(自身を除く): 371635

約数列:

[1, 5, 11, 13, 55, 65, 109, 121, 143, 545, 605, 715, 1199, 1417, 1573, 5995, 7085, 7865, 13189, 15587, 65945, 77935, 171457, 857285]

約数ペア:

[(1, 857285), (5, 171457), (11, 77935), (13, 65945), (55, 15587), (65, 13189), (109, 7865), (121, 7085), (143, 5995), (545, 1573), (605, 1417), (715, 1199)]