51640641

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 84098560

約数和(自身を除く): 32457919

約数列:

[1, 3, 9, 13, 37, 39, 79, 111, 117, 151, 237, 333, 453, 481, 711, 1027, 1359, 1443, 1963, 2923, 3081, 4329, 5587, 5889, 8769, 9243, 11929, 16761, 17667, 26307, 35787, 37999, 50283, 72631, 107361, 113997, 155077, 217893, 341991, 441373, 465231, 653679, 1324119, 1395693, 3972357, 5737849, 17213547, 51640641]

約数ペア:

[(1, 51640641), (3, 17213547), (9, 5737849), (13, 3972357), (37, 1395693), (39, 1324119), (79, 653679), (111, 465231), (117, 441373), (151, 341991), (237, 217893), (333, 155077), (453, 113997), (481, 107361), (711, 72631), (1027, 50283), (1359, 37999), (1443, 35787), (1963, 26307), (2923, 17667), (3081, 16761), (4329, 11929), (5587, 9243), (5889, 8769)]