27819477

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 50790400

約数和(自身を除く): 22970923

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 127, 133, 171, 183, 189, 381, 399, 427, 513, 549, 889, 1143, 1159, 1197, 1281, 1647, 2413, 2667, 3429, 3477, 3591, 3843, 7239, 7747, 8001, 8113, 10431, 11529, 16891, 21717, 23241, 24003, 24339, 31293, 50673, 54229, 65151, 69723, 73017, 147193, 152019, 162687, 209169, 219051, 441579, 456057, 488061, 1030351, 1324737, 1464183, 3091053, 3974211, 9273159, 27819477]

約数ペア:

[(1, 27819477), (3, 9273159), (7, 3974211), (9, 3091053), (19, 1464183), (21, 1324737), (27, 1030351), (57, 488061), (61, 456057), (63, 441579), (127, 219051), (133, 209169), (171, 162687), (183, 152019), (189, 147193), (381, 73017), (399, 69723), (427, 65151), (513, 54229), (549, 50673), (889, 31293), (1143, 24339), (1159, 24003), (1197, 23241), (1281, 21717), (1647, 16891), (2413, 11529), (2667, 10431), (3429, 8113), (3477, 8001), (3591, 7747), (3843, 7239)]