25142859

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 17757621

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 881, 1057, 1359, 2643, 3171, 4077, 6167, 7929, 9513, 18501, 23787, 28539, 55503, 133031, 166509, 399093, 931217, 1197279, 2793651, 3591837, 8380953, 25142859]

約数ペア:

[(1, 25142859), (3, 8380953), (7, 3591837), (9, 2793651), (21, 1197279), (27, 931217), (63, 399093), (151, 166509), (189, 133031), (453, 55503), (881, 28539), (1057, 23787), (1359, 18501), (2643, 9513), (3171, 7929), (4077, 6167)]