42121233

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 81450720

約数和(自身を除く): 39329487

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 133, 147, 171, 209, 231, 399, 441, 457, 539, 627, 693, 931, 1197, 1371, 1463, 1617, 1881, 2793, 3199, 4113, 4389, 4851, 5027, 8379, 8683, 9597, 10241, 13167, 15081, 22393, 26049, 28791, 30723, 35189, 45243, 60781, 67179, 78147, 92169, 95513, 105567, 182343, 201537, 246323, 286539, 316701, 425467, 547029, 668591, 738969, 859617, 1276401, 2005773, 2216907, 3829203, 4680137, 6017319, 14040411, 42121233]

約数ペア:

[(1, 42121233), (3, 14040411), (7, 6017319), (9, 4680137), (11, 3829203), (19, 2216907), (21, 2005773), (33, 1276401), (49, 859617), (57, 738969), (63, 668591), (77, 547029), (99, 425467), (133, 316701), (147, 286539), (171, 246323), (209, 201537), (231, 182343), (399, 105567), (441, 95513), (457, 92169), (539, 78147), (627, 67179), (693, 60781), (931, 45243), (1197, 35189), (1371, 30723), (1463, 28791), (1617, 26049), (1881, 22393), (2793, 15081), (3199, 13167), (4113, 10241), (4389, 9597), (4851, 8683), (5027, 8379)]