189693009

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 310902240

約数和(自身を除く): 121209231

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 211, 297, 633, 891, 1009, 1899, 2321, 3027, 5697, 6963, 9081, 11099, 17091, 20889, 27243, 33297, 62667, 81729, 99891, 188001, 212899, 299673, 638697, 899019, 1916091, 2341889, 5748273, 7025667, 17244819, 21077001, 63231003, 189693009]

約数ペア:

[(1, 189693009), (3, 63231003), (9, 21077001), (11, 17244819), (27, 7025667), (33, 5748273), (81, 2341889), (99, 1916091), (211, 899019), (297, 638697), (633, 299673), (891, 212899), (1009, 188001), (1899, 99891), (2321, 81729), (3027, 62667), (5697, 33297), (6963, 27243), (9081, 20889), (11099, 17091)]