243768651

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 413614080

約数和(自身を除く): 169845429

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 101, 133, 161, 263, 303, 399, 437, 483, 707, 789, 1311, 1841, 1919, 2121, 2323, 3059, 4997, 5523, 5757, 6049, 6969, 9177, 13433, 14991, 16261, 18147, 26563, 34979, 40299, 42343, 44137, 48783, 79689, 104937, 114931, 127029, 132411, 185941, 308959, 344793, 504697, 557823, 610949, 804517, 926877, 1514091, 1832847, 2413551, 3532879, 4276643, 10598637, 11608031, 12829929, 34824093, 81256217, 243768651]

約数ペア:

[(1, 243768651), (3, 81256217), (7, 34824093), (19, 12829929), (21, 11608031), (23, 10598637), (57, 4276643), (69, 3532879), (101, 2413551), (133, 1832847), (161, 1514091), (263, 926877), (303, 804517), (399, 610949), (437, 557823), (483, 504697), (707, 344793), (789, 308959), (1311, 185941), (1841, 132411), (1919, 127029), (2121, 114931), (2323, 104937), (3059, 79689), (4997, 48783), (5523, 44137), (5757, 42343), (6049, 40299), (6969, 34979), (9177, 26563), (13433, 18147), (14991, 16261)]