201868155

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 357739200

約数和(自身を除く): 155871045

約数列:

[1, 3, 5, 9, 15, 45, 97, 103, 291, 309, 449, 485, 515, 873, 927, 1347, 1455, 1545, 2245, 4041, 4365, 4635, 6735, 9991, 20205, 29973, 43553, 46247, 49955, 89919, 130659, 138741, 149865, 217765, 231235, 391977, 416223, 449595, 653295, 693705, 1959885, 2081115, 4485959, 13457877, 22429795, 40373631, 67289385, 201868155]

約数ペア:

[(1, 201868155), (3, 67289385), (5, 40373631), (9, 22429795), (15, 13457877), (45, 4485959), (97, 2081115), (103, 1959885), (291, 693705), (309, 653295), (449, 449595), (485, 416223), (515, 391977), (873, 231235), (927, 217765), (1347, 149865), (1455, 138741), (1545, 130659), (2245, 89919), (4041, 49955), (4365, 46247), (4635, 43553), (6735, 29973), (9991, 20205)]