26949975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 48580224

約数和(自身を除く): 21630249

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 131, 195, 211, 325, 393, 633, 655, 975, 1055, 1703, 1965, 2743, 3165, 3275, 5109, 5275, 8229, 8515, 9825, 13715, 15825, 25545, 27641, 41145, 42575, 68575, 82923, 127725, 138205, 205725, 359333, 414615, 691025, 1077999, 1796665, 2073075, 5389995, 8983325, 26949975]

約数ペア:

[(1, 26949975), (3, 8983325), (5, 5389995), (13, 2073075), (15, 1796665), (25, 1077999), (39, 691025), (65, 414615), (75, 359333), (131, 205725), (195, 138205), (211, 127725), (325, 82923), (393, 68575), (633, 42575), (655, 41145), (975, 27641), (1055, 25545), (1703, 15825), (1965, 13715), (2743, 9825), (3165, 8515), (3275, 8229), (5109, 5275)]