899492721

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 1244989440

約数和(自身を除く): 345496719

約数列:

[1, 3, 47, 141, 157, 179, 227, 471, 537, 681, 7379, 8413, 10669, 22137, 25239, 28103, 32007, 35639, 40633, 84309, 106917, 121899, 1320841, 1675033, 1909751, 3962523, 5025099, 5729253, 6379381, 19138143, 299830907, 899492721]

約数ペア:

[(1, 899492721), (3, 299830907), (47, 19138143), (141, 6379381), (157, 5729253), (179, 5025099), (227, 3962523), (471, 1909751), (537, 1675033), (681, 1320841), (7379, 121899), (8413, 106917), (10669, 84309), (22137, 40633), (25239, 35639), (28103, 32007)]