2515779

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 56

約数和(自身を含む): 4721760

約数和(自身を除く): 2205981

約数列:

[1, 3, 7, 9, 17, 21, 27, 29, 51, 63, 81, 87, 119, 153, 189, 203, 243, 261, 357, 459, 493, 567, 609, 729, 783, 1071, 1377, 1479, 1701, 1827, 2349, 3213, 3451, 4131, 4437, 5103, 5481, 7047, 9639, 10353, 12393, 13311, 16443, 21141, 28917, 31059, 39933, 49329, 86751, 93177, 119799, 147987, 279531, 359397, 838593, 2515779]

約数ペア:

[(1, 2515779), (3, 838593), (7, 359397), (9, 279531), (17, 147987), (21, 119799), (27, 93177), (29, 86751), (51, 49329), (63, 39933), (81, 31059), (87, 28917), (119, 21141), (153, 16443), (189, 13311), (203, 12393), (243, 10353), (261, 9639), (357, 7047), (459, 5481), (493, 5103), (567, 4437), (609, 4131), (729, 3451), (783, 3213), (1071, 2349), (1377, 1827), (1479, 1701)]