18065565

素因数分解:

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

素因数の和:2759

約数の個数: 48

約数和(自身を含む): 37373760

約数和(自身を除く): 19308195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 2731, 6615, 8193, 13655, 19117, 24579, 40965, 57351, 73737, 95585, 122895, 133819, 172053, 286755, 368685, 401457, 516159, 669095, 860265, 1204371, 2007285, 2580795, 3613113, 6021855, 18065565]

約数ペア:

[(1, 18065565), (3, 6021855), (5, 3613113), (7, 2580795), (9, 2007285), (15, 1204371), (21, 860265), (27, 669095), (35, 516159), (45, 401457), (49, 368685), (63, 286755), (105, 172053), (135, 133819), (147, 122895), (189, 95585), (245, 73737), (315, 57351), (441, 40965), (735, 24579), (945, 19117), (1323, 13655), (2205, 8193), (2731, 6615)]