862407

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^2$

素因数の和:51

約数の個数: 42

約数和(自身を含む): 1600152

約数和(自身を除く): 737745

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 169, 189, 243, 273, 351, 507, 567, 729, 819, 1053, 1183, 1521, 1701, 2457, 3159, 3549, 4563, 5103, 7371, 9477, 10647, 13689, 22113, 31941, 41067, 66339, 95823, 123201, 287469, 862407]

約数ペア:

[(1, 862407), (3, 287469), (7, 123201), (9, 95823), (13, 66339), (21, 41067), (27, 31941), (39, 22113), (63, 13689), (81, 10647), (91, 9477), (117, 7371), (169, 5103), (189, 4563), (243, 3549), (273, 3159), (351, 2457), (507, 1701), (567, 1521), (729, 1183), (819, 1053)]