289771869

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 414120960

約数和(自身を除く): 124349091

約数列:

[1, 3, 19, 57, 131, 151, 257, 393, 453, 771, 2489, 2869, 4883, 7467, 8607, 14649, 19781, 33667, 38807, 59343, 101001, 116421, 375839, 639673, 737333, 1127517, 1919019, 2211999, 5083717, 15251151, 96590623, 289771869]

約数ペア:

[(1, 289771869), (3, 96590623), (19, 15251151), (57, 5083717), (131, 2211999), (151, 1919019), (257, 1127517), (393, 737333), (453, 639673), (771, 375839), (2489, 116421), (2869, 101001), (4883, 59343), (7467, 38807), (8607, 33667), (14649, 19781)]