57921813

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 86112000

約数和(自身を除く): 28190187

約数列:

[1, 3, 9, 47, 141, 149, 423, 447, 919, 1341, 2757, 7003, 8271, 21009, 43193, 63027, 129579, 136931, 388737, 410793, 1232379, 6435757, 19307271, 57921813]

約数ペア:

[(1, 57921813), (3, 19307271), (9, 6435757), (47, 1232379), (141, 410793), (149, 388737), (423, 136931), (447, 129579), (919, 63027), (1341, 43193), (2757, 21009), (7003, 8271)]