18079281

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 29899584

約数和(自身を除く): 11820303

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 103, 197, 297, 309, 591, 891, 927, 1133, 1773, 2167, 2781, 3399, 5319, 6501, 8343, 10197, 15957, 19503, 20291, 30591, 58509, 60873, 91773, 175527, 182619, 223201, 547857, 669603, 1643571, 2008809, 6026427, 18079281]

約数ペア:

[(1, 18079281), (3, 6026427), (9, 2008809), (11, 1643571), (27, 669603), (33, 547857), (81, 223201), (99, 182619), (103, 175527), (197, 91773), (297, 60873), (309, 58509), (591, 30591), (891, 20291), (927, 19503), (1133, 15957), (1773, 10197), (2167, 8343), (2781, 6501), (3399, 5319)]