18003909

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 30458880

約数和(自身を除く): 12454971

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1321, 1947, 3963, 4543, 9247, 13629, 14531, 27741, 43593, 77939, 101717, 233817, 305151, 545573, 857329, 1636719, 2571987, 6001303, 18003909]

約数ペア:

[(1, 18003909), (3, 6001303), (7, 2571987), (11, 1636719), (21, 857329), (33, 545573), (59, 305151), (77, 233817), (177, 101717), (231, 77939), (413, 43593), (649, 27741), (1239, 14531), (1321, 13629), (1947, 9247), (3963, 4543)]