661002714

素因数分解:

$2^1\times 3^3\times {\mathrm{643}}^1\times {\mathrm{19037}}^1$

素因数の和:19691

約数の個数: 32

約数和(自身を含む): 1471256640

約数和(自身を除く): 810253926

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 643, 1286, 1929, 3858, 5787, 11574, 17361, 19037, 34722, 38074, 57111, 114222, 171333, 342666, 513999, 1027998, 12240791, 24481582, 36722373, 73444746, 110167119, 220334238, 330501357, 661002714]

約数ペア:

[(1, 661002714), (2, 330501357), (3, 220334238), (6, 110167119), (9, 73444746), (18, 36722373), (27, 24481582), (54, 12240791), (643, 1027998), (1286, 513999), (1929, 342666), (3858, 171333), (5787, 114222), (11574, 57111), (17361, 38074), (19037, 34722)]