2590749

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2126691

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 59, 63, 119, 123, 153, 177, 287, 357, 369, 413, 531, 697, 861, 1003, 1071, 1239, 2091, 2419, 2583, 3009, 3717, 4879, 6273, 7021, 7257, 9027, 14637, 16933, 21063, 21771, 41123, 43911, 50799, 63189, 123369, 152397, 287861, 370107, 863583, 2590749]

約数ペア:

[(1, 2590749), (3, 863583), (7, 370107), (9, 287861), (17, 152397), (21, 123369), (41, 63189), (51, 50799), (59, 43911), (63, 41123), (119, 21771), (123, 21063), (153, 16933), (177, 14637), (287, 9027), (357, 7257), (369, 7021), (413, 6273), (531, 4879), (697, 3717), (861, 3009), (1003, 2583), (1071, 2419), (1239, 2091)]