25239543

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 43580160

約数和(自身を除く): 18340617

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 61, 119, 133, 183, 323, 357, 399, 427, 969, 1037, 1159, 1281, 2261, 3111, 3477, 3721, 6783, 7259, 8113, 11163, 19703, 21777, 24339, 26047, 59109, 63257, 70699, 78141, 137921, 189771, 212097, 413763, 442799, 494893, 1201883, 1328397, 1484679, 3605649, 8413181, 25239543]

約数ペア:

[(1, 25239543), (3, 8413181), (7, 3605649), (17, 1484679), (19, 1328397), (21, 1201883), (51, 494893), (57, 442799), (61, 413763), (119, 212097), (133, 189771), (183, 137921), (323, 78141), (357, 70699), (399, 63257), (427, 59109), (969, 26047), (1037, 24339), (1159, 21777), (1281, 19703), (2261, 11163), (3111, 8113), (3477, 7259), (3721, 6783)]