27805761

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 17481663

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 127, 153, 159, 243, 381, 459, 477, 901, 1143, 1377, 1431, 2159, 2703, 3429, 4131, 4293, 6477, 6731, 8109, 10287, 12879, 19431, 20193, 24327, 30861, 58293, 60579, 72981, 114427, 174879, 181737, 218943, 343281, 524637, 545211, 1029843, 1635633, 3089529, 9268587, 27805761]

約数ペア:

[(1, 27805761), (3, 9268587), (9, 3089529), (17, 1635633), (27, 1029843), (51, 545211), (53, 524637), (81, 343281), (127, 218943), (153, 181737), (159, 174879), (243, 114427), (381, 72981), (459, 60579), (477, 58293), (901, 30861), (1143, 24327), (1377, 20193), (1431, 19431), (2159, 12879), (2703, 10287), (3429, 8109), (4131, 6731), (4293, 6477)]