198520113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{661}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 305049600

約数和(自身を除く): 106529487

約数列:

[1, 3, 11, 19, 33, 57, 209, 479, 627, 661, 1437, 1983, 5269, 7271, 9101, 12559, 15807, 21813, 27303, 37677, 100111, 138149, 300333, 316619, 414447, 949857, 3482809, 6015761, 10448427, 18047283, 66173371, 198520113]

約数ペア:

[(1, 198520113), (3, 66173371), (11, 18047283), (19, 10448427), (33, 6015761), (57, 3482809), (209, 949857), (479, 414447), (627, 316619), (661, 300333), (1437, 138149), (1983, 100111), (5269, 37677), (7271, 27303), (9101, 21813), (12559, 15807)]