28419801

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 14319399

約数列:

[1, 3, 17, 19, 51, 57, 139, 211, 323, 417, 633, 969, 2363, 2641, 3587, 4009, 7089, 7923, 10761, 12027, 29329, 44897, 68153, 87987, 134691, 204459, 498593, 557251, 1495779, 1671753, 9473267, 28419801]

約数ペア:

[(1, 28419801), (3, 9473267), (17, 1671753), (19, 1495779), (51, 557251), (57, 498593), (139, 204459), (211, 134691), (323, 87987), (417, 68153), (633, 44897), (969, 29329), (2363, 12027), (2641, 10761), (3587, 7923), (4009, 7089)]