188380305

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 333889920

約数和(自身を除く): 145509615

約数列:

[1, 3, 5, 9, 15, 45, 97, 103, 291, 309, 419, 485, 515, 873, 927, 1257, 1455, 1545, 2095, 3771, 4365, 4635, 6285, 9991, 18855, 29973, 40643, 43157, 49955, 89919, 121929, 129471, 149865, 203215, 215785, 365787, 388413, 449595, 609645, 647355, 1828935, 1942065, 4186229, 12558687, 20931145, 37676061, 62793435, 188380305]

約数ペア:

[(1, 188380305), (3, 62793435), (5, 37676061), (9, 20931145), (15, 12558687), (45, 4186229), (97, 1942065), (103, 1828935), (291, 647355), (309, 609645), (419, 449595), (485, 388413), (515, 365787), (873, 215785), (927, 203215), (1257, 149865), (1455, 129471), (1545, 121929), (2095, 89919), (3771, 49955), (4365, 43157), (4635, 40643), (6285, 29973), (9991, 18855)]