2208465

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 4878720

約数和(自身を除く): 2670255

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 41, 45, 57, 63, 81, 95, 105, 123, 133, 135, 171, 189, 205, 285, 287, 315, 369, 399, 405, 513, 567, 615, 665, 779, 855, 861, 945, 1107, 1197, 1435, 1539, 1845, 1995, 2337, 2565, 2583, 2835, 3321, 3591, 3895, 4305, 5453, 5535, 5985, 7011, 7695, 7749, 10773, 11685, 12915, 16359, 16605, 17955, 21033, 23247, 27265, 35055, 38745, 49077, 53865, 63099, 81795, 105165, 116235, 147231, 245385, 315495, 441693, 736155, 2208465]

約数ペア:

[(1, 2208465), (3, 736155), (5, 441693), (7, 315495), (9, 245385), (15, 147231), (19, 116235), (21, 105165), (27, 81795), (35, 63099), (41, 53865), (45, 49077), (57, 38745), (63, 35055), (81, 27265), (95, 23247), (105, 21033), (123, 17955), (133, 16605), (135, 16359), (171, 12915), (189, 11685), (205, 10773), (285, 7749), (287, 7695), (315, 7011), (369, 5985), (399, 5535), (405, 5453), (513, 4305), (567, 3895), (615, 3591), (665, 3321), (779, 2835), (855, 2583), (861, 2565), (945, 2337), (1107, 1995), (1197, 1845), (1435, 1539)]