31540149

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 46904832

約数和(自身を除く): 15364683

約数列:

[1, 3, 9, 47, 141, 173, 423, 431, 519, 1293, 1557, 3879, 8131, 20257, 24393, 60771, 73179, 74563, 182313, 223689, 671067, 3504461, 10513383, 31540149]

約数ペア:

[(1, 31540149), (3, 10513383), (9, 3504461), (47, 671067), (141, 223689), (173, 182313), (423, 74563), (431, 73179), (519, 60771), (1293, 24393), (1557, 20257), (3879, 8131)]