1717695

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 3734640

約数和(自身を除く): 2016945

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 41, 45, 49, 57, 63, 95, 105, 123, 133, 147, 171, 205, 245, 285, 287, 315, 369, 399, 441, 615, 665, 735, 779, 855, 861, 931, 1197, 1435, 1845, 1995, 2009, 2205, 2337, 2583, 2793, 3895, 4305, 4655, 5453, 5985, 6027, 7011, 8379, 10045, 11685, 12915, 13965, 16359, 18081, 27265, 30135, 35055, 38171, 41895, 49077, 81795, 90405, 114513, 190855, 245385, 343539, 572565, 1717695]

約数ペア:

[(1, 1717695), (3, 572565), (5, 343539), (7, 245385), (9, 190855), (15, 114513), (19, 90405), (21, 81795), (35, 49077), (41, 41895), (45, 38171), (49, 35055), (57, 30135), (63, 27265), (95, 18081), (105, 16359), (123, 13965), (133, 12915), (147, 11685), (171, 10045), (205, 8379), (245, 7011), (285, 6027), (287, 5985), (315, 5453), (369, 4655), (399, 4305), (441, 3895), (615, 2793), (665, 2583), (735, 2337), (779, 2205), (855, 2009), (861, 1995), (931, 1845), (1197, 1435)]