28403341281

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7909591}}^1$

素因数の和:7909626

約数の個数: 32

約数和(自身を含む): 50621388800

約数和(自身を除く): 22218047519

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7909591, 23728773, 55367137, 71186319, 150282229, 166101411, 213558957, 450846687, 498304233, 1051975603, 1352540061, 1494912699, 3155926809, 4057620183, 9467780427, 28403341281]

約数ペア:

[(1, 28403341281), (3, 9467780427), (7, 4057620183), (9, 3155926809), (19, 1494912699), (21, 1352540061), (27, 1051975603), (57, 498304233), (63, 450846687), (133, 213558957), (171, 166101411), (189, 150282229), (399, 71186319), (513, 55367137), (1197, 23728773), (3591, 7909591)]