2155121205

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{3947}}^1$

素因数の和:4453

約数の個数: 32

約数和(自身を含む): 3496348800

約数和(自身を除く): 1341227595

約数列:

[1, 3, 5, 15, 89, 267, 409, 445, 1227, 1335, 2045, 3947, 6135, 11841, 19735, 36401, 59205, 109203, 182005, 351283, 546015, 1053849, 1614323, 1756415, 4842969, 5269245, 8071615, 24214845, 143674747, 431024241, 718373735, 2155121205]

約数ペア:

[(1, 2155121205), (3, 718373735), (5, 431024241), (15, 143674747), (89, 24214845), (267, 8071615), (409, 5269245), (445, 4842969), (1227, 1756415), (1335, 1614323), (2045, 1053849), (3947, 546015), (6135, 351283), (11841, 182005), (19735, 109203), (36401, 59205)]