51216123

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{11239}}^1$

素因数の和:11287

約数の個数: 24

約数和(自身を含む): 82007040

約数和(自身を除く): 30790917

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 11239, 33717, 78673, 236019, 348409, 550711, 1045227, 1652133, 2438863, 7316589, 17072041, 51216123]

約数ペア:

[(1, 51216123), (3, 17072041), (7, 7316589), (21, 2438863), (31, 1652133), (49, 1045227), (93, 550711), (147, 348409), (217, 236019), (651, 78673), (1519, 33717), (4557, 11239)]