766239999

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1093}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 1257137280

約数和(自身を除く): 490897281

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 251, 399, 753, 931, 1093, 1757, 2793, 3279, 4769, 5271, 7651, 12299, 14307, 20767, 22953, 33383, 36897, 53557, 62301, 100149, 145369, 160671, 233681, 274343, 436107, 701043, 823029, 1017583, 1920401, 3052749, 5212517, 5761203, 13442807, 15637551, 36487619, 40328421, 109462857, 255413333, 766239999]

約数ペア:

[(1, 766239999), (3, 255413333), (7, 109462857), (19, 40328421), (21, 36487619), (49, 15637551), (57, 13442807), (133, 5761203), (147, 5212517), (251, 3052749), (399, 1920401), (753, 1017583), (931, 823029), (1093, 701043), (1757, 436107), (2793, 274343), (3279, 233681), (4769, 160671), (5271, 145369), (7651, 100149), (12299, 62301), (14307, 53557), (20767, 36897), (22953, 33383)]