18324603

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 12318597

約数列:

[1, 3, 9, 11, 27, 33, 71, 79, 99, 121, 213, 237, 297, 363, 639, 711, 781, 869, 1089, 1917, 2133, 2343, 2607, 3267, 5609, 7029, 7821, 8591, 9559, 16827, 21087, 23463, 25773, 28677, 50481, 61699, 77319, 86031, 151443, 185097, 231957, 258093, 555291, 678689, 1665873, 2036067, 6108201, 18324603]

約数ペア:

[(1, 18324603), (3, 6108201), (9, 2036067), (11, 1665873), (27, 678689), (33, 555291), (71, 258093), (79, 231957), (99, 185097), (121, 151443), (213, 86031), (237, 77319), (297, 61699), (363, 50481), (639, 28677), (711, 25773), (781, 23463), (869, 21087), (1089, 16827), (1917, 9559), (2133, 8591), (2343, 7821), (2607, 7029), (3267, 5609)]