81531603

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{17659}}^1$

素因数の和:17693

約数の個数: 24

約数和(自身を含む): 128564800

約数和(自身を除く): 47033197

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 17659, 52977, 158931, 335521, 476793, 1006563, 1430379, 3019689, 4291137, 9059067, 27177201, 81531603]

約数ペア:

[(1, 81531603), (3, 27177201), (9, 9059067), (19, 4291137), (27, 3019689), (57, 1430379), (81, 1006563), (171, 476793), (243, 335521), (513, 158931), (1539, 52977), (4617, 17659)]