409607307

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2927}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 624015360

約数和(自身を除く): 214408053

約数列:

[1, 3, 9, 27, 71, 73, 213, 219, 639, 657, 1917, 1971, 2927, 5183, 8781, 15549, 26343, 46647, 79029, 139941, 207817, 213671, 623451, 641013, 1870353, 1923039, 5611059, 5769117, 15170641, 45511923, 136535769, 409607307]

約数ペア:

[(1, 409607307), (3, 136535769), (9, 45511923), (27, 15170641), (71, 5769117), (73, 5611059), (213, 1923039), (219, 1870353), (639, 641013), (657, 623451), (1917, 213671), (1971, 207817), (2927, 139941), (5183, 79029), (8781, 46647), (15549, 26343)]