128130105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{1049}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 217728000

約数和(自身を除く): 89597895

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 479, 1049, 1437, 2395, 3147, 5245, 7185, 8143, 15735, 17833, 24429, 40715, 53499, 89165, 122145, 267495, 502471, 1507413, 2512355, 7537065, 8542007, 25626021, 42710035, 128130105]

約数ペア:

[(1, 128130105), (3, 42710035), (5, 25626021), (15, 8542007), (17, 7537065), (51, 2512355), (85, 1507413), (255, 502471), (479, 267495), (1049, 122145), (1437, 89165), (2395, 53499), (3147, 40715), (5245, 24429), (7185, 17833), (8143, 15735)]