3872979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 6739200

約数和(自身を除く): 2866221

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 71, 87, 99, 171, 209, 213, 261, 319, 551, 627, 639, 781, 957, 1349, 1653, 1881, 2059, 2343, 2871, 4047, 4959, 6061, 6177, 7029, 12141, 14839, 18183, 18531, 22649, 39121, 44517, 54549, 67947, 117363, 133551, 203841, 352089, 430331, 1290993, 3872979]

約数ペア:

[(1, 3872979), (3, 1290993), (9, 430331), (11, 352089), (19, 203841), (29, 133551), (33, 117363), (57, 67947), (71, 54549), (87, 44517), (99, 39121), (171, 22649), (209, 18531), (213, 18183), (261, 14839), (319, 12141), (551, 7029), (627, 6177), (639, 6061), (781, 4959), (957, 4047), (1349, 2871), (1653, 2343), (1881, 2059)]