254121291

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 394567680

約数和(自身を除く): 140446389

約数列:

[1, 3, 9, 31, 37, 93, 103, 111, 239, 279, 309, 333, 717, 927, 1147, 2151, 3193, 3441, 3811, 7409, 8843, 9579, 10323, 11433, 22227, 24617, 26529, 28737, 34299, 66681, 73851, 79587, 118141, 221553, 274133, 354423, 763127, 822399, 910829, 1063269, 2289381, 2467197, 2732487, 6868143, 8197461, 28235699, 84707097, 254121291]

約数ペア:

[(1, 254121291), (3, 84707097), (9, 28235699), (31, 8197461), (37, 6868143), (93, 2732487), (103, 2467197), (111, 2289381), (239, 1063269), (279, 910829), (309, 822399), (333, 763127), (717, 354423), (927, 274133), (1147, 221553), (2151, 118141), (3193, 79587), (3441, 73851), (3811, 66681), (7409, 34299), (8843, 28737), (9579, 26529), (10323, 24617), (11433, 22227)]