201991345917

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1\times {\mathrm{940619}}^1$

素因数の和:942192

約数の個数: 16

約数和(自身を含む): 275232936960

約数和(自身を除く): 73241591043

約数列:

[1, 3, 47, 141, 1523, 4569, 71581, 214743, 940619, 2821857, 44209093, 132627279, 1432562737, 4297688211, 67330448639, 201991345917]

約数ペア:

[(1, 201991345917), (3, 67330448639), (47, 4297688211), (141, 1432562737), (1523, 132627279), (4569, 44209093), (71581, 2821857), (214743, 940619)]