1253644959

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 1995134976

約数和(自身を除く): 741490017

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 421, 431, 987, 1263, 1293, 2303, 2947, 3017, 6909, 8841, 9051, 19787, 20257, 20629, 21119, 59361, 60771, 61887, 63357, 138509, 141799, 181451, 415527, 425397, 544353, 969563, 992593, 1270157, 2908689, 2977779, 3810471, 8528197, 8891099, 25584591, 26673297, 59697379, 179092137, 417881653, 1253644959]

約数ペア:

[(1, 1253644959), (3, 417881653), (7, 179092137), (21, 59697379), (47, 26673297), (49, 25584591), (141, 8891099), (147, 8528197), (329, 3810471), (421, 2977779), (431, 2908689), (987, 1270157), (1263, 992593), (1293, 969563), (2303, 544353), (2947, 425397), (3017, 415527), (6909, 181451), (8841, 141799), (9051, 138509), (19787, 63357), (20257, 61887), (20629, 60771), (21119, 59361)]