25403679

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 43261440

約数和(自身を除く): 17857761

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 523, 771, 1569, 1799, 2313, 3661, 4707, 5397, 6939, 10983, 14121, 16191, 32949, 48573, 98847, 134411, 403233, 940877, 1209699, 2822631, 3629097, 8467893, 25403679]

約数ペア:

[(1, 25403679), (3, 8467893), (7, 3629097), (9, 2822631), (21, 1209699), (27, 940877), (63, 403233), (189, 134411), (257, 98847), (523, 48573), (771, 32949), (1569, 16191), (1799, 14121), (2313, 10983), (3661, 6939), (4707, 5397)]