12491031

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 19840000

約数和(自身を除く): 7348969

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 199, 343, 427, 597, 1029, 1281, 1393, 2989, 4179, 8967, 9751, 12139, 20923, 29253, 36417, 62769, 68257, 84973, 204771, 254919, 594811, 1784433, 4163677, 12491031]

約数ペア:

[(1, 12491031), (3, 4163677), (7, 1784433), (21, 594811), (49, 254919), (61, 204771), (147, 84973), (183, 68257), (199, 62769), (343, 36417), (427, 29253), (597, 20923), (1029, 12139), (1281, 9751), (1393, 8967), (2989, 4179)]