1999004805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{6277}}^1$

素因数の和:6635

約数の個数: 64

約数和(自身を含む): 4074170880

約数和(自身を除く): 2075166075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 337, 945, 1011, 1685, 2359, 3033, 5055, 6277, 7077, 9099, 11795, 15165, 18831, 21231, 31385, 35385, 43939, 45495, 56493, 63693, 94155, 106155, 131817, 169479, 219695, 282465, 318465, 395451, 659085, 847395, 1186353, 1977255, 2115349, 5931765, 6346047, 10576745, 14807443, 19038141, 31730235, 44422329, 57114423, 74037215, 95190705, 133266987, 222111645, 285572115, 399800961, 666334935, 1999004805]

約数ペア:

[(1, 1999004805), (3, 666334935), (5, 399800961), (7, 285572115), (9, 222111645), (15, 133266987), (21, 95190705), (27, 74037215), (35, 57114423), (45, 44422329), (63, 31730235), (105, 19038141), (135, 14807443), (189, 10576745), (315, 6346047), (337, 5931765), (945, 2115349), (1011, 1977255), (1685, 1186353), (2359, 847395), (3033, 659085), (5055, 395451), (6277, 318465), (7077, 282465), (9099, 219695), (11795, 169479), (15165, 131817), (18831, 106155), (21231, 94155), (31385, 63693), (35385, 56493), (43939, 45495)]