201228981

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 287267904

約数和(自身を除く): 86038923

約数列:

[1, 3, 19, 57, 71, 213, 361, 1083, 1349, 2617, 4047, 7851, 25631, 49723, 76893, 149169, 185807, 557421, 944737, 2834211, 3530333, 10590999, 67076327, 201228981]

約数ペア:

[(1, 201228981), (3, 67076327), (19, 10590999), (57, 3530333), (71, 2834211), (213, 944737), (361, 557421), (1083, 185807), (1349, 149169), (2617, 76893), (4047, 49723), (7851, 25631)]