18003141

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 29964480

約数和(自身を除く): 11961339

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 139, 243, 351, 369, 417, 533, 1053, 1107, 1251, 1599, 1807, 3159, 3321, 3753, 4797, 5421, 5699, 9963, 11259, 14391, 16263, 17097, 33777, 43173, 48789, 51291, 74087, 129519, 146367, 153873, 222261, 439101, 461619, 666783, 1384857, 2000349, 6001047, 18003141]

約数ペア:

[(1, 18003141), (3, 6001047), (9, 2000349), (13, 1384857), (27, 666783), (39, 461619), (41, 439101), (81, 222261), (117, 153873), (123, 146367), (139, 129519), (243, 74087), (351, 51291), (369, 48789), (417, 43173), (533, 33777), (1053, 17097), (1107, 16263), (1251, 14391), (1599, 11259), (1807, 9963), (3159, 5699), (3321, 5421), (3753, 4797)]