660551451

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{1657}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 1033955328

約数和(自身を除く): 373403877

約数列:

[1, 3, 7, 21, 41, 123, 287, 463, 861, 1389, 1657, 3241, 4971, 9723, 11599, 18983, 34797, 56949, 67937, 132881, 203811, 398643, 475559, 767191, 1426677, 2301573, 5370337, 16111011, 31454831, 94364493, 220183817, 660551451]

約数ペア:

[(1, 660551451), (3, 220183817), (7, 94364493), (21, 31454831), (41, 16111011), (123, 5370337), (287, 2301573), (463, 1426677), (861, 767191), (1389, 475559), (1657, 398643), (3241, 203811), (4971, 132881), (9723, 67937), (11599, 56949), (18983, 34797)]