237861981

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 416102400

約数和(自身を除く): 178240419

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 83, 177, 189, 249, 257, 413, 531, 581, 747, 771, 1239, 1593, 1743, 1799, 2241, 2313, 3717, 4897, 5229, 5397, 6939, 11151, 14691, 15163, 15687, 16191, 21331, 34279, 44073, 45489, 48573, 63993, 102837, 106141, 132219, 136467, 149317, 191979, 308511, 318423, 409401, 447951, 575937, 925533, 955269, 1258529, 1343853, 2865807, 3775587, 4031559, 8809703, 11326761, 26429109, 33980283, 79287327, 237861981]

約数ペア:

[(1, 237861981), (3, 79287327), (7, 33980283), (9, 26429109), (21, 11326761), (27, 8809703), (59, 4031559), (63, 3775587), (83, 2865807), (177, 1343853), (189, 1258529), (249, 955269), (257, 925533), (413, 575937), (531, 447951), (581, 409401), (747, 318423), (771, 308511), (1239, 191979), (1593, 149317), (1743, 136467), (1799, 132219), (2241, 106141), (2313, 102837), (3717, 63993), (4897, 48573), (5229, 45489), (5397, 44073), (6939, 34279), (11151, 21331), (14691, 16191), (15163, 15687)]