30876321

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 19684959

約数列:

[1, 3, 7, 21, 41, 47, 49, 109, 123, 141, 147, 287, 327, 329, 763, 861, 987, 1927, 2009, 2289, 2303, 4469, 5123, 5341, 5781, 6027, 6909, 13407, 13489, 15369, 16023, 31283, 35861, 40467, 93849, 94423, 107583, 210043, 218981, 251027, 283269, 630129, 656943, 753081, 1470301, 4410903, 10292107, 30876321]

約数ペア:

[(1, 30876321), (3, 10292107), (7, 4410903), (21, 1470301), (41, 753081), (47, 656943), (49, 630129), (109, 283269), (123, 251027), (141, 218981), (147, 210043), (287, 107583), (327, 94423), (329, 93849), (763, 40467), (861, 35861), (987, 31283), (1927, 16023), (2009, 15369), (2289, 13489), (2303, 13407), (4469, 6909), (5123, 6027), (5341, 5781)]