2645621769

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{135319}}^1$

素因数の和:135362

約数の個数: 32

約数和(自身を含む): 4330240000

約数和(自身を除く): 1684618231

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 19551, 135319, 405957, 947233, 2571061, 2841699, 6630631, 7713183, 17997427, 19891893, 46414417, 53992281, 125981989, 139243251, 377945967, 881873923, 2645621769]

約数ペア:

[(1, 2645621769), (3, 881873923), (7, 377945967), (19, 139243251), (21, 125981989), (49, 53992281), (57, 46414417), (133, 19891893), (147, 17997427), (343, 7713183), (399, 6630631), (931, 2841699), (1029, 2571061), (2793, 947233), (6517, 405957), (19551, 135319)]