28131138

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{8269}}^1$

素因数の和:8293

約数の個数: 48

約数和(自身を含む): 72246720

約数和(自身を除く): 44115582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 8269, 16538, 24807, 49614, 57883, 74421, 115766, 148842, 173649, 223263, 347298, 446526, 520947, 669789, 1041894, 1339578, 1562841, 2009367, 3125682, 4018734, 4688523, 9377046, 14065569, 28131138]

約数ペア:

[(1, 28131138), (2, 14065569), (3, 9377046), (6, 4688523), (7, 4018734), (9, 3125682), (14, 2009367), (18, 1562841), (21, 1339578), (27, 1041894), (42, 669789), (54, 520947), (63, 446526), (81, 347298), (126, 223263), (162, 173649), (189, 148842), (243, 115766), (378, 74421), (486, 57883), (567, 49614), (1134, 24807), (1701, 16538), (3402, 8269)]