31824981

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 51455040

約数和(自身を除く): 19630059

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 113, 171, 183, 243, 339, 513, 549, 1017, 1159, 1539, 1647, 2147, 3051, 3477, 4617, 4941, 6441, 6893, 9153, 10431, 14823, 19323, 20679, 27459, 31293, 57969, 62037, 93879, 130967, 173907, 186111, 281637, 392901, 521721, 558333, 1178703, 1674999, 3536109, 10608327, 31824981]

約数ペア:

[(1, 31824981), (3, 10608327), (9, 3536109), (19, 1674999), (27, 1178703), (57, 558333), (61, 521721), (81, 392901), (113, 281637), (171, 186111), (183, 173907), (243, 130967), (339, 93879), (513, 62037), (549, 57969), (1017, 31293), (1159, 27459), (1539, 20679), (1647, 19323), (2147, 14823), (3051, 10431), (3477, 9153), (4617, 6893), (4941, 6441)]