2577897

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2139543

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 83, 87, 119, 153, 203, 249, 261, 357, 493, 581, 609, 747, 1071, 1411, 1479, 1743, 1827, 2407, 3451, 4233, 4437, 5229, 7221, 9877, 10353, 12699, 16849, 21663, 29631, 31059, 40919, 50547, 88893, 122757, 151641, 286433, 368271, 859299, 2577897]

約数ペア:

[(1, 2577897), (3, 859299), (7, 368271), (9, 286433), (17, 151641), (21, 122757), (29, 88893), (51, 50547), (63, 40919), (83, 31059), (87, 29631), (119, 21663), (153, 16849), (203, 12699), (249, 10353), (261, 9877), (357, 7221), (493, 5229), (581, 4437), (609, 4233), (747, 3451), (1071, 2407), (1411, 1827), (1479, 1743)]