61145721

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5743}}^1$

素因数の和:5782

約数の個数: 36

約数和(自身を含む): 109319808

約数和(自身を除く): 48174087

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 3549, 5743, 10647, 17229, 40201, 51687, 74659, 120603, 223977, 361809, 522613, 671931, 970567, 1567839, 2911701, 4703517, 6793969, 8735103, 20381907, 61145721]

約数ペア:

[(1, 61145721), (3, 20381907), (7, 8735103), (9, 6793969), (13, 4703517), (21, 2911701), (39, 1567839), (63, 970567), (91, 671931), (117, 522613), (169, 361809), (273, 223977), (507, 120603), (819, 74659), (1183, 51687), (1521, 40201), (3549, 17229), (5743, 10647)]