208744851

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{3373}}^1$

素因数の和:3811

約数の個数: 24

約数和(自身を含む): 324632784

約数和(自身を除く): 115887933

約数列:

[1, 3, 7, 21, 49, 147, 421, 1263, 2947, 3373, 8841, 10119, 20629, 23611, 61887, 70833, 165277, 495831, 1420033, 4260099, 9940231, 29820693, 69581617, 208744851]

約数ペア:

[(1, 208744851), (3, 69581617), (7, 29820693), (21, 9940231), (49, 4260099), (147, 1420033), (421, 495831), (1263, 165277), (2947, 70833), (3373, 61887), (8841, 23611), (10119, 20629)]