37457721

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 68787264

約数和(自身を除く): 31329543

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 81, 133, 171, 183, 189, 243, 361, 399, 427, 513, 549, 567, 1083, 1159, 1197, 1281, 1539, 1647, 1701, 2527, 3249, 3477, 3591, 3843, 4617, 4941, 7581, 8113, 9747, 10431, 10773, 11529, 14823, 22021, 22743, 24339, 29241, 31293, 32319, 34587, 66063, 68229, 73017, 87723, 93879, 103761, 154147, 198189, 204687, 219051, 281637, 462441, 594567, 614061, 657153, 1387323, 1783701, 1971459, 4161969, 5351103, 12485907, 37457721]

約数ペア:

[(1, 37457721), (3, 12485907), (7, 5351103), (9, 4161969), (19, 1971459), (21, 1783701), (27, 1387323), (57, 657153), (61, 614061), (63, 594567), (81, 462441), (133, 281637), (171, 219051), (183, 204687), (189, 198189), (243, 154147), (361, 103761), (399, 93879), (427, 87723), (513, 73017), (549, 68229), (567, 66063), (1083, 34587), (1159, 32319), (1197, 31293), (1281, 29241), (1539, 24339), (1647, 22743), (1701, 22021), (2527, 14823), (3249, 11529), (3477, 10773), (3591, 10431), (3843, 9747), (4617, 8113), (4941, 7581)]