161719308

素因数分解:

$2^2\times 3^3\times {\mathrm{991}}^1\times {\mathrm{1511}}^1$

素因数の和:2515

約数の個数: 48

約数和(自身を含む): 419973120

約数和(自身を除く): 258253812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 991, 1511, 1982, 2973, 3022, 3964, 4533, 5946, 6044, 8919, 9066, 11892, 13599, 17838, 18132, 26757, 27198, 35676, 40797, 53514, 54396, 81594, 107028, 163188, 1497401, 2994802, 4492203, 5989604, 8984406, 13476609, 17968812, 26953218, 40429827, 53906436, 80859654, 161719308]

約数ペア:

[(1, 161719308), (2, 80859654), (3, 53906436), (4, 40429827), (6, 26953218), (9, 17968812), (12, 13476609), (18, 8984406), (27, 5989604), (36, 4492203), (54, 2994802), (108, 1497401), (991, 163188), (1511, 107028), (1982, 81594), (2973, 54396), (3022, 53514), (3964, 40797), (4533, 35676), (5946, 27198), (6044, 26757), (8919, 18132), (9066, 17838), (11892, 13599)]