15981641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 18345600

約数和(自身を除く): 2363959

約数列:

[1, 13, 19, 89, 247, 727, 1157, 1691, 9451, 13813, 21983, 64703, 179569, 841139, 1229357, 15981641]

約数ペア:

[(1, 15981641), (13, 1229357), (19, 841139), (89, 179569), (247, 64703), (727, 21983), (1157, 13813), (1691, 9451)]