42245721

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 76003200

約数和(自身を除く): 33757479

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1217, 1653, 1827, 3651, 3857, 4959, 8519, 10953, 11571, 23123, 25557, 34713, 35293, 69369, 76671, 105879, 161861, 208107, 247051, 317637, 485583, 670567, 741153, 1456749, 2011701, 2223459, 4693969, 6035103, 14081907, 42245721]

約数ペア:

[(1, 42245721), (3, 14081907), (7, 6035103), (9, 4693969), (19, 2223459), (21, 2011701), (29, 1456749), (57, 741153), (63, 670567), (87, 485583), (133, 317637), (171, 247051), (203, 208107), (261, 161861), (399, 105879), (551, 76671), (609, 69369), (1197, 35293), (1217, 34713), (1653, 25557), (1827, 23123), (3651, 11571), (3857, 10953), (4959, 8519)]