1985139

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 36

約数和(自身を含む): 3328416

約数和(自身を除く): 1343277

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 171, 247, 361, 423, 611, 741, 893, 1083, 1833, 2223, 2679, 3249, 4693, 5499, 8037, 11609, 14079, 16967, 34827, 42237, 50901, 104481, 152703, 220571, 661713, 1985139]

約数ペア:

[(1, 1985139), (3, 661713), (9, 220571), (13, 152703), (19, 104481), (39, 50901), (47, 42237), (57, 34827), (117, 16967), (141, 14079), (171, 11609), (247, 8037), (361, 5499), (423, 4693), (611, 3249), (741, 2679), (893, 2223), (1083, 1833)]