81694641

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1873}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 130490368

約数和(自身を除く): 48795727

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 651, 1407, 1873, 2077, 5619, 6231, 13111, 14539, 39333, 43617, 58063, 125491, 174189, 376473, 406441, 878437, 1219323, 2635311, 3890221, 11670663, 27231547, 81694641]

約数ペア:

[(1, 81694641), (3, 27231547), (7, 11670663), (21, 3890221), (31, 2635311), (67, 1219323), (93, 878437), (201, 406441), (217, 376473), (469, 174189), (651, 125491), (1407, 58063), (1873, 43617), (2077, 39333), (5619, 14539), (6231, 13111)]