2798523

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 64

約数和(自身を含む): 5483520

約数和(自身を除く): 2684997

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 67, 91, 117, 119, 153, 189, 201, 221, 273, 351, 357, 459, 469, 603, 663, 819, 871, 1071, 1139, 1407, 1547, 1809, 1989, 2457, 2613, 3213, 3417, 4221, 4641, 5967, 6097, 7839, 7973, 10251, 12663, 13923, 14807, 18291, 23517, 23919, 30753, 41769, 44421, 54873, 71757, 103649, 133263, 164619, 215271, 310947, 399789, 932841, 2798523]

約数ペア:

[(1, 2798523), (3, 932841), (7, 399789), (9, 310947), (13, 215271), (17, 164619), (21, 133263), (27, 103649), (39, 71757), (51, 54873), (63, 44421), (67, 41769), (91, 30753), (117, 23919), (119, 23517), (153, 18291), (189, 14807), (201, 13923), (221, 12663), (273, 10251), (351, 7973), (357, 7839), (459, 6097), (469, 5967), (603, 4641), (663, 4221), (819, 3417), (871, 3213), (1071, 2613), (1139, 2457), (1407, 1989), (1547, 1809)]