30268791

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 51936768

約数和(自身を除く): 21667977

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 101, 201, 213, 303, 469, 497, 603, 639, 707, 909, 1407, 1491, 2121, 4221, 4473, 4757, 6363, 6767, 7171, 14271, 20301, 21513, 33299, 42813, 47369, 50197, 60903, 64539, 99897, 142107, 150591, 299691, 426321, 451773, 480457, 1441371, 3363199, 4324113, 10089597, 30268791]

約数ペア:

[(1, 30268791), (3, 10089597), (7, 4324113), (9, 3363199), (21, 1441371), (63, 480457), (67, 451773), (71, 426321), (101, 299691), (201, 150591), (213, 142107), (303, 99897), (469, 64539), (497, 60903), (603, 50197), (639, 47369), (707, 42813), (909, 33299), (1407, 21513), (1491, 20301), (2121, 14271), (4221, 7171), (4473, 6767), (4757, 6363)]