25474743

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 43908480

約数和(自身を除く): 18433737

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 251, 537, 567, 753, 1253, 1611, 1757, 2259, 3759, 4833, 5271, 6777, 11277, 14499, 15813, 20331, 33831, 44929, 47439, 101493, 134787, 142317, 314503, 404361, 943509, 1213083, 2830527, 3639249, 8491581, 25474743]

約数ペア:

[(1, 25474743), (3, 8491581), (7, 3639249), (9, 2830527), (21, 1213083), (27, 943509), (63, 404361), (81, 314503), (179, 142317), (189, 134787), (251, 101493), (537, 47439), (567, 44929), (753, 33831), (1253, 20331), (1611, 15813), (1757, 14499), (2259, 11277), (3759, 6777), (4833, 5271)]