28835487

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 45096960

約数和(自身を除く): 16261473

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 733, 837, 1269, 1457, 2199, 4371, 6597, 13113, 19791, 22723, 34451, 39339, 68169, 103353, 204507, 310059, 613521, 930177, 1067981, 3203943, 9611829, 28835487]

約数ペア:

[(1, 28835487), (3, 9611829), (9, 3203943), (27, 1067981), (31, 930177), (47, 613521), (93, 310059), (141, 204507), (279, 103353), (423, 68169), (733, 39339), (837, 34451), (1269, 22723), (1457, 19791), (2199, 13113), (4371, 6597)]