26559981

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 45805760

約数和(自身を除く): 19245779

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 337, 417, 567, 973, 1011, 1251, 2359, 2919, 3033, 3753, 7077, 8757, 9099, 11259, 21231, 26271, 27297, 46843, 63693, 78813, 140529, 191079, 327901, 421587, 983703, 1264761, 2951109, 3794283, 8853327, 26559981]

約数ペア:

[(1, 26559981), (3, 8853327), (7, 3794283), (9, 2951109), (21, 1264761), (27, 983703), (63, 421587), (81, 327901), (139, 191079), (189, 140529), (337, 78813), (417, 63693), (567, 46843), (973, 27297), (1011, 26271), (1251, 21231), (2359, 11259), (2919, 9099), (3033, 8757), (3753, 7077)]