31845177

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 58442880

約数和(自身を除く): 26597703

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 507, 819, 997, 1183, 1521, 2457, 2991, 3549, 4563, 6979, 8973, 10647, 12961, 20937, 26919, 31941, 38883, 62811, 90727, 116649, 168493, 188433, 272181, 349947, 505479, 816543, 1179451, 1516437, 2449629, 3538353, 4549311, 10615059, 31845177]

約数ペア:

[(1, 31845177), (3, 10615059), (7, 4549311), (9, 3538353), (13, 2449629), (21, 1516437), (27, 1179451), (39, 816543), (63, 505479), (91, 349947), (117, 272181), (169, 188433), (189, 168493), (273, 116649), (351, 90727), (507, 62811), (819, 38883), (997, 31941), (1183, 26919), (1521, 20937), (2457, 12961), (2991, 10647), (3549, 8973), (4563, 6979)]