80977617

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2729}}^1$

素因数の和:2902

約数の個数: 32

約数和(自身を含む): 138028800

約数和(自身を除く): 57051183

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 2729, 3297, 4239, 8187, 9891, 19103, 24561, 29673, 57309, 73683, 171927, 428453, 515781, 1285359, 2999171, 3856077, 8997513, 11568231, 26992539, 80977617]

約数ペア:

[(1, 80977617), (3, 26992539), (7, 11568231), (9, 8997513), (21, 3856077), (27, 2999171), (63, 1285359), (157, 515781), (189, 428453), (471, 171927), (1099, 73683), (1413, 57309), (2729, 29673), (3297, 24561), (4239, 19103), (8187, 9891)]