20171728179

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{197003}}^1$

素因数の和:197407

約数の個数: 24

約数和(自身を含む): 30158948352

約数和(自身を除く): 9987220173

約数列:

[1, 3, 9, 31, 93, 279, 367, 1101, 3303, 11377, 34131, 102393, 197003, 591009, 1773027, 6107093, 18321279, 54963837, 72300101, 216900303, 650700909, 2241303131, 6723909393, 20171728179]

約数ペア:

[(1, 20171728179), (3, 6723909393), (9, 2241303131), (31, 650700909), (93, 216900303), (279, 72300101), (367, 54963837), (1101, 18321279), (3303, 6107093), (11377, 1773027), (34131, 591009), (102393, 197003)]