51381057

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 90316800

約数和(自身を除く): 38935743

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 167, 273, 299, 343, 483, 501, 637, 897, 1029, 1127, 1169, 1911, 2093, 2171, 3381, 3507, 3841, 4459, 6279, 6513, 7889, 8183, 11523, 13377, 14651, 15197, 23667, 24549, 26887, 43953, 45591, 49933, 57281, 80661, 102557, 106379, 149799, 171843, 188209, 307671, 319137, 349531, 564627, 744653, 1048593, 1317463, 2233959, 2446717, 3952389, 7340151, 17127019, 51381057]

約数ペア:

[(1, 51381057), (3, 17127019), (7, 7340151), (13, 3952389), (21, 2446717), (23, 2233959), (39, 1317463), (49, 1048593), (69, 744653), (91, 564627), (147, 349531), (161, 319137), (167, 307671), (273, 188209), (299, 171843), (343, 149799), (483, 106379), (501, 102557), (637, 80661), (897, 57281), (1029, 49933), (1127, 45591), (1169, 43953), (1911, 26887), (2093, 24549), (2171, 23667), (3381, 15197), (3507, 14651), (3841, 13377), (4459, 11523), (6279, 8183), (6513, 7889)]