289453809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 418844160

約数和(自身を除く): 129390351

約数列:

[1, 3, 19, 41, 57, 123, 211, 587, 633, 779, 1761, 2337, 4009, 8651, 11153, 12027, 24067, 25953, 33459, 72201, 123857, 164369, 371571, 457273, 493107, 1371819, 2353283, 5078137, 7059849, 15234411, 96484603, 289453809]

約数ペア:

[(1, 289453809), (3, 96484603), (19, 15234411), (41, 7059849), (57, 5078137), (123, 2353283), (211, 1371819), (587, 493107), (633, 457273), (779, 371571), (1761, 164369), (2337, 123857), (4009, 72201), (8651, 33459), (11153, 25953), (12027, 24067)]