690959985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{8389}}^1$

素因数の和:8450

約数の個数: 48

約数和(自身を含む): 1236350400

約数和(自身を除く): 545390415

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 289, 323, 867, 969, 1445, 1615, 4335, 4845, 5491, 8389, 16473, 25167, 27455, 41945, 82365, 125835, 142613, 159391, 427839, 478173, 713065, 796955, 2139195, 2390865, 2424421, 2709647, 7273263, 8128941, 12122105, 13548235, 36366315, 40644705, 46063999, 138191997, 230319995, 690959985]

約数ペア:

[(1, 690959985), (3, 230319995), (5, 138191997), (15, 46063999), (17, 40644705), (19, 36366315), (51, 13548235), (57, 12122105), (85, 8128941), (95, 7273263), (255, 2709647), (285, 2424421), (289, 2390865), (323, 2139195), (867, 796955), (969, 713065), (1445, 478173), (1615, 427839), (4335, 159391), (4845, 142613), (5491, 125835), (8389, 82365), (16473, 41945), (25167, 27455)]