289786287

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{739}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 450109440

約数和(自身を除く): 160323153

約数列:

[1, 3, 7, 21, 71, 213, 263, 497, 739, 789, 1491, 1841, 2217, 5173, 5523, 15519, 18673, 52469, 56019, 130711, 157407, 194357, 367283, 392133, 583071, 1101849, 1360499, 4081497, 13799347, 41398041, 96595429, 289786287]

約数ペア:

[(1, 289786287), (3, 96595429), (7, 41398041), (21, 13799347), (71, 4081497), (213, 1360499), (263, 1101849), (497, 583071), (739, 392133), (789, 367283), (1491, 194357), (1841, 157407), (2217, 130711), (5173, 56019), (5523, 52469), (15519, 18673)]