217042935

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{3407}}^1$

素因数の和:3583

約数の個数: 32

約数和(自身を含む): 361193472

約数和(自身を除く): 144150537

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 685, 2055, 3407, 4247, 10221, 12741, 17035, 21235, 51105, 63705, 105617, 316851, 466759, 528085, 1400277, 1584255, 2333795, 7001385, 14469529, 43408587, 72347645, 217042935]

約数ペア:

[(1, 217042935), (3, 72347645), (5, 43408587), (15, 14469529), (31, 7001385), (93, 2333795), (137, 1584255), (155, 1400277), (411, 528085), (465, 466759), (685, 316851), (2055, 105617), (3407, 63705), (4247, 51105), (10221, 21235), (12741, 17035)]