1971459

素因数分解:

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

素因数の和:102

約数の個数: 48

約数和(自身を含む): 3610880

約数和(自身を除く): 1639421

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 81, 133, 171, 183, 189, 243, 399, 427, 513, 549, 567, 1159, 1197, 1281, 1539, 1647, 1701, 3477, 3591, 3843, 4617, 4941, 8113, 10431, 10773, 11529, 14823, 24339, 31293, 32319, 34587, 73017, 93879, 103761, 219051, 281637, 657153, 1971459]

約数ペア:

[(1, 1971459), (3, 657153), (7, 281637), (9, 219051), (19, 103761), (21, 93879), (27, 73017), (57, 34587), (61, 32319), (63, 31293), (81, 24339), (133, 14823), (171, 11529), (183, 10773), (189, 10431), (243, 8113), (399, 4941), (427, 4617), (513, 3843), (549, 3591), (567, 3477), (1159, 1701), (1197, 1647), (1281, 1539)]