28124355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4391}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 52282368

約数和(自身を除く): 24158013

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 4391, 6405, 13173, 21955, 30737, 65865, 92211, 153685, 267851, 461055, 803553, 1339255, 1874957, 4017765, 5624871, 9374785, 28124355]

約数ペア:

[(1, 28124355), (3, 9374785), (5, 5624871), (7, 4017765), (15, 1874957), (21, 1339255), (35, 803553), (61, 461055), (105, 267851), (183, 153685), (305, 92211), (427, 65865), (915, 30737), (1281, 21955), (2135, 13173), (4391, 6405)]