2500891821

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{138869}}^1$

素因数の和:138930

約数の個数: 32

約数和(自身を含む): 3999456000

約数和(自身を除く): 1498564179

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 18009, 138869, 416607, 1249821, 3193987, 3749463, 4027201, 9581961, 12081603, 28745883, 36244809, 86237649, 92625623, 108734427, 277876869, 833630607, 2500891821]

約数ペア:

[(1, 2500891821), (3, 833630607), (9, 277876869), (23, 108734427), (27, 92625623), (29, 86237649), (69, 36244809), (87, 28745883), (207, 12081603), (261, 9581961), (621, 4027201), (667, 3749463), (783, 3193987), (2001, 1249821), (6003, 416607), (18009, 138869)]