56553987

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 93899520

約数和(自身を除く): 37345533

約数列:

[1, 3, 7, 21, 23, 43, 49, 69, 129, 147, 161, 301, 389, 483, 903, 989, 1127, 1167, 2107, 2723, 2967, 3381, 6321, 6923, 8169, 8947, 16727, 19061, 20769, 26841, 48461, 50181, 57183, 62629, 117089, 145383, 187887, 351267, 384721, 438403, 819623, 1154163, 1315209, 2458869, 2693047, 8079141, 18851329, 56553987]

約数ペア:

[(1, 56553987), (3, 18851329), (7, 8079141), (21, 2693047), (23, 2458869), (43, 1315209), (49, 1154163), (69, 819623), (129, 438403), (147, 384721), (161, 351267), (301, 187887), (389, 145383), (483, 117089), (903, 62629), (989, 57183), (1127, 50181), (1167, 48461), (2107, 26841), (2723, 20769), (2967, 19061), (3381, 16727), (6321, 8947), (6923, 8169)]