1245699

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^3$

素因数の和:58

約数の個数: 40

約数和(自身を含む): 2303840

約数和(自身を除く): 1058141

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 169, 189, 273, 351, 507, 567, 819, 1053, 1183, 1521, 2197, 2457, 3549, 4563, 6591, 7371, 10647, 13689, 15379, 19773, 31941, 46137, 59319, 95823, 138411, 177957, 415233, 1245699]

約数ペア:

[(1, 1245699), (3, 415233), (7, 177957), (9, 138411), (13, 95823), (21, 59319), (27, 46137), (39, 31941), (63, 19773), (81, 15379), (91, 13689), (117, 10647), (169, 7371), (189, 6591), (273, 4563), (351, 3549), (507, 2457), (567, 2197), (819, 1521), (1053, 1183)]