16520955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 12509445

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 223, 449, 669, 1115, 1347, 2245, 2453, 3345, 4939, 6735, 7359, 12265, 14817, 24695, 36795, 74085, 100127, 300381, 500635, 1101397, 1501905, 3304191, 5506985, 16520955]

約数ペア:

[(1, 16520955), (3, 5506985), (5, 3304191), (11, 1501905), (15, 1101397), (33, 500635), (55, 300381), (165, 100127), (223, 74085), (449, 36795), (669, 24695), (1115, 14817), (1347, 12265), (2245, 7359), (2453, 6735), (3345, 4939)]