26957775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 49191296

約数和(自身を除く): 22233521

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 643, 645, 975, 1075, 1677, 1929, 2795, 3215, 3225, 8359, 8385, 9645, 13975, 16075, 25077, 27649, 41795, 41925, 48225, 82947, 125385, 138245, 208975, 359437, 414735, 626925, 691225, 1078311, 1797185, 2073675, 5391555, 8985925, 26957775]

約数ペア:

[(1, 26957775), (3, 8985925), (5, 5391555), (13, 2073675), (15, 1797185), (25, 1078311), (39, 691225), (43, 626925), (65, 414735), (75, 359437), (129, 208975), (195, 138245), (215, 125385), (325, 82947), (559, 48225), (643, 41925), (645, 41795), (975, 27649), (1075, 25077), (1677, 16075), (1929, 13975), (2795, 9645), (3215, 8385), (3225, 8359)]