31089435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 57200640

約数和(自身を除く): 26111205

約数列:

[1, 3, 5, 13, 15, 31, 37, 39, 65, 93, 111, 139, 155, 185, 195, 403, 417, 465, 481, 555, 695, 1147, 1209, 1443, 1807, 2015, 2085, 2405, 3441, 4309, 5143, 5421, 5735, 6045, 7215, 9035, 12927, 14911, 15429, 17205, 21545, 25715, 27105, 44733, 56017, 64635, 66859, 74555, 77145, 159433, 168051, 200577, 223665, 280085, 334295, 478299, 797165, 840255, 1002885, 2072629, 2391495, 6217887, 10363145, 31089435]

約数ペア:

[(1, 31089435), (3, 10363145), (5, 6217887), (13, 2391495), (15, 2072629), (31, 1002885), (37, 840255), (39, 797165), (65, 478299), (93, 334295), (111, 280085), (139, 223665), (155, 200577), (185, 168051), (195, 159433), (403, 77145), (417, 74555), (465, 66859), (481, 64635), (555, 56017), (695, 44733), (1147, 27105), (1209, 25715), (1443, 21545), (1807, 17205), (2015, 15429), (2085, 14911), (2405, 12927), (3441, 9035), (4309, 7215), (5143, 6045), (5421, 5735)]