5781321

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 10657920

約数和(自身を除く): 4876599

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 181, 189, 273, 351, 507, 543, 819, 1183, 1267, 1521, 1629, 2353, 2457, 3549, 3801, 4563, 4887, 7059, 10647, 11403, 16471, 21177, 30589, 31941, 34209, 49413, 63531, 91767, 148239, 214123, 275301, 444717, 642369, 825903, 1927107, 5781321]

約数ペア:

[(1, 5781321), (3, 1927107), (7, 825903), (9, 642369), (13, 444717), (21, 275301), (27, 214123), (39, 148239), (63, 91767), (91, 63531), (117, 49413), (169, 34209), (181, 31941), (189, 30589), (273, 21177), (351, 16471), (507, 11403), (543, 10647), (819, 7059), (1183, 4887), (1267, 4563), (1521, 3801), (1629, 3549), (2353, 2457)]