81744117

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 139419648

約数和(自身を除く): 57675531

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 169, 217, 273, 403, 507, 651, 743, 1183, 1209, 2229, 2821, 3549, 5201, 5239, 8463, 9659, 15603, 15717, 23033, 28977, 36673, 67613, 69099, 110019, 125567, 161231, 202839, 299429, 376701, 483693, 878969, 898287, 2096003, 2636907, 3892577, 6288009, 11677731, 27248039, 81744117]

約数ペア:

[(1, 81744117), (3, 27248039), (7, 11677731), (13, 6288009), (21, 3892577), (31, 2636907), (39, 2096003), (91, 898287), (93, 878969), (169, 483693), (217, 376701), (273, 299429), (403, 202839), (507, 161231), (651, 125567), (743, 110019), (1183, 69099), (1209, 67613), (2229, 36673), (2821, 28977), (3549, 23033), (5201, 15717), (5239, 15603), (8463, 9659)]