1805207985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3037}}^1$

素因数の和:3112

約数の個数: 128

約数和(自身を含む): 3989744640

約数和(自身を除く): 2184536655

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 37, 45, 51, 63, 85, 105, 111, 119, 135, 153, 185, 189, 255, 259, 315, 333, 357, 459, 555, 595, 629, 765, 777, 945, 999, 1071, 1295, 1665, 1785, 1887, 2295, 2331, 3037, 3145, 3213, 3885, 4403, 4995, 5355, 5661, 6993, 9111, 9435, 11655, 13209, 15185, 16065, 16983, 21259, 22015, 27333, 28305, 34965, 39627, 45555, 51629, 63777, 66045, 81999, 84915, 106295, 112369, 118881, 136665, 154887, 191331, 198135, 258145, 318885, 337107, 361403, 409995, 464661, 561845, 573993, 594405, 774435, 786583, 956655, 1011321, 1084209, 1393983, 1685535, 1807015, 1910273, 2323305, 2359749, 2869965, 3033963, 3252627, 3932915, 5056605, 5421045, 5730819, 6969915, 7079247, 9551365, 9757881, 11798745, 13371911, 15169815, 16263135, 17192457, 21237741, 28654095, 35396235, 40115733, 48789405, 51577371, 66859555, 85962285, 106188705, 120347199, 200578665, 257886855, 361041597, 601735995, 1805207985]

約数ペア:

[(1, 1805207985), (3, 601735995), (5, 361041597), (7, 257886855), (9, 200578665), (15, 120347199), (17, 106188705), (21, 85962285), (27, 66859555), (35, 51577371), (37, 48789405), (45, 40115733), (51, 35396235), (63, 28654095), (85, 21237741), (105, 17192457), (111, 16263135), (119, 15169815), (135, 13371911), (153, 11798745), (185, 9757881), (189, 9551365), (255, 7079247), (259, 6969915), (315, 5730819), (333, 5421045), (357, 5056605), (459, 3932915), (555, 3252627), (595, 3033963), (629, 2869965), (765, 2359749), (777, 2323305), (945, 1910273), (999, 1807015), (1071, 1685535), (1295, 1393983), (1665, 1084209), (1785, 1011321), (1887, 956655), (2295, 786583), (2331, 774435), (3037, 594405), (3145, 573993), (3213, 561845), (3885, 464661), (4403, 409995), (4995, 361403), (5355, 337107), (5661, 318885), (6993, 258145), (9111, 198135), (9435, 191331), (11655, 154887), (13209, 136665), (15185, 118881), (16065, 112369), (16983, 106295), (21259, 84915), (22015, 81999), (27333, 66045), (28305, 63777), (34965, 51629), (39627, 45555)]