221538081

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{5231}}^1$

素因数の和:5996

約数の個数: 16

約数和(自身を含む): 311408640

約数和(自身を除く): 89870559

約数列:

[1, 3, 19, 57, 743, 2229, 5231, 14117, 15693, 42351, 99389, 298167, 3886633, 11659899, 73846027, 221538081]

約数ペア:

[(1, 221538081), (3, 73846027), (19, 11659899), (57, 3886633), (743, 298167), (2229, 99389), (5231, 42351), (14117, 15693)]