51237813

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 87562944

約数和(自身を除く): 36325131

約数列:

[1, 3, 11, 17, 19, 23, 33, 51, 57, 69, 121, 187, 209, 253, 323, 361, 363, 391, 437, 561, 627, 759, 969, 1083, 1173, 1311, 2057, 2299, 2783, 3553, 3971, 4301, 4807, 6137, 6171, 6897, 7429, 8303, 8349, 10659, 11913, 12903, 14421, 18411, 22287, 24909, 39083, 43681, 47311, 52877, 67507, 81719, 91333, 117249, 131043, 141151, 141933, 158631, 202521, 245157, 273999, 423453, 742577, 898909, 1004663, 1552661, 2227731, 2696727, 3013989, 4657983, 17079271, 51237813]

約数ペア:

[(1, 51237813), (3, 17079271), (11, 4657983), (17, 3013989), (19, 2696727), (23, 2227731), (33, 1552661), (51, 1004663), (57, 898909), (69, 742577), (121, 423453), (187, 273999), (209, 245157), (253, 202521), (323, 158631), (361, 141933), (363, 141151), (391, 131043), (437, 117249), (561, 91333), (627, 81719), (759, 67507), (969, 52877), (1083, 47311), (1173, 43681), (1311, 39083), (2057, 24909), (2299, 22287), (2783, 18411), (3553, 14421), (3971, 12903), (4301, 11913), (4807, 10659), (6137, 8349), (6171, 8303), (6897, 7429)]