198721215

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2731}}^1$

素因数の和:2770

約数の個数: 96

約数和(自身を含む): 448485120

約数和(自身を除く): 249763905

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 99, 105, 135, 147, 165, 189, 231, 245, 297, 315, 385, 441, 495, 539, 693, 735, 945, 1155, 1323, 1485, 1617, 2079, 2205, 2695, 2731, 3465, 4851, 6615, 8085, 8193, 10395, 13655, 14553, 19117, 24255, 24579, 30041, 40965, 57351, 72765, 73737, 90123, 95585, 122895, 133819, 150205, 172053, 210287, 270369, 286755, 368685, 401457, 450615, 516159, 630861, 669095, 811107, 860265, 1051435, 1204371, 1351845, 1472009, 1892583, 2007285, 2580795, 3154305, 3613113, 4055535, 4416027, 5677749, 6021855, 7360045, 9462915, 13248081, 18065565, 22080135, 28388745, 39744243, 66240405, 198721215]

約数ペア:

[(1, 198721215), (3, 66240405), (5, 39744243), (7, 28388745), (9, 22080135), (11, 18065565), (15, 13248081), (21, 9462915), (27, 7360045), (33, 6021855), (35, 5677749), (45, 4416027), (49, 4055535), (55, 3613113), (63, 3154305), (77, 2580795), (99, 2007285), (105, 1892583), (135, 1472009), (147, 1351845), (165, 1204371), (189, 1051435), (231, 860265), (245, 811107), (297, 669095), (315, 630861), (385, 516159), (441, 450615), (495, 401457), (539, 368685), (693, 286755), (735, 270369), (945, 210287), (1155, 172053), (1323, 150205), (1485, 133819), (1617, 122895), (2079, 95585), (2205, 90123), (2695, 73737), (2731, 72765), (3465, 57351), (4851, 40965), (6615, 30041), (8085, 24579), (8193, 24255), (10395, 19117), (13655, 14553)]